Home / 29,490-63,690

Finding the Third Proportional to 29,490 and 63,690

Calculator

Solution

The third proportional to 29,490 and 63,690 is: 137,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,490 : 63,690 = 63,690 : x
  2. Step 2: Convert to fraction form
    29,490/63,690 = 63,690/x
  3. Step 3: Cross multiply
    29,490x = 63,690 × 63,690
  4. Step 4: Simplify right side
    29,490x = 4,056,416,100
  5. Step 5: Solve for x
    x = 4,056,416,100/29,490
  6. Step 6: Final answer
    x = 137,552.26

Related Problems

Find third proportional to 14,745 and 31,845
Half scale
Find third proportional to 58,980 and 127,380
Double scale
Find third proportional to 29,492 and 63,694
Similar ratio
Find third proportional to 44,235 and 95,535
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.