Home / 268,817,382-422,393,671

Finding the Third Proportional to 268,817,382 and 422,393,671

Calculator

Solution

The third proportional to 268,817,382 and 422,393,671 is: 663,708,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,817,382 : 422,393,671 = 422,393,671 : x
  2. Step 2: Convert to fraction form
    268,817,382/422,393,671 = 422,393,671/x
  3. Step 3: Cross multiply
    268,817,382x = 422,393,671 × 422,393,671
  4. Step 4: Simplify right side
    268,817,382x = 178,416,413,300,856,256
  5. Step 5: Solve for x
    x = 178,416,413,300,856,256/268,817,382
  6. Step 6: Final answer
    x = 663,708,618.74

Related Problems

Find third proportional to 134,408,691 and 211,196,835.50
Half scale
Find third proportional to 537,634,764 and 844,787,342
Double scale
Find third proportional to 268,817,384 and 422,393,674
Similar ratio
Find third proportional to 403,226,073 and 633,590,506.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.