Home / 122,658-286,637

Finding the Third Proportional to 122,658 and 286,637

Calculator

Solution

The third proportional to 122,658 and 286,637 is: 669,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,658 : 286,637 = 286,637 : x
  2. Step 2: Convert to fraction form
    122,658/286,637 = 286,637/x
  3. Step 3: Cross multiply
    122,658x = 286,637 × 286,637
  4. Step 4: Simplify right side
    122,658x = 82,160,769,769
  5. Step 5: Solve for x
    x = 82,160,769,769/122,658
  6. Step 6: Final answer
    x = 669,836.21

Related Problems

Find third proportional to 61,329 and 143,318.50
Half scale
Find third proportional to 245,316 and 573,274
Double scale
Find third proportional to 122,660 and 286,642
Similar ratio
Find third proportional to 183,987 and 429,955.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.