Home / 450,321-696,520

Finding the Third Proportional to 450,321 and 696,520

Calculator

Solution

The third proportional to 450,321 and 696,520 is: 1,077,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,321 : 696,520 = 696,520 : x
  2. Step 2: Convert to fraction form
    450,321/696,520 = 696,520/x
  3. Step 3: Cross multiply
    450,321x = 696,520 × 696,520
  4. Step 4: Simplify right side
    450,321x = 485,140,110,400
  5. Step 5: Solve for x
    x = 485,140,110,400/450,321
  6. Step 6: Final answer
    x = 1,077,320.65

Related Problems

Find third proportional to 225,160.50 and 348,260
Half scale
Find third proportional to 900,642 and 1,393,040
Double scale
Find third proportional to 450,323 and 696,523
Similar ratio
Find third proportional to 675,481.50 and 1,044,780
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.