Home / 68,688-102,890.25

Finding the Third Proportional to 68,688 and 102,890.25

Calculator

Solution

The third proportional to 68,688 and 102,890.25 is: 154,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688 : 102,890.25 = 102,890.25 : x
  2. Step 2: Convert to fraction form
    68,688/102,890.25 = 102,890.25/x
  3. Step 3: Cross multiply
    68,688x = 102,890.25 × 102,890.25
  4. Step 4: Simplify right side
    68,688x = 10,586,403,545.06
  5. Step 5: Solve for x
    x = 10,586,403,545.06/68,688
  6. Step 6: Final answer
    x = 154,123.04

Related Problems

Find third proportional to 34,344 and 51,445.13
Half scale
Find third proportional to 137,376 and 205,780.50
Double scale
Find third proportional to 68,690 and 102,893
Similar ratio
Find third proportional to 103,032 and 154,335.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.