Home / 69,905-97,743

Finding the Third Proportional to 69,905 and 97,743

Calculator

Solution

The third proportional to 69,905 and 97,743 is: 136,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,905 : 97,743 = 97,743 : x
  2. Step 2: Convert to fraction form
    69,905/97,743 = 97,743/x
  3. Step 3: Cross multiply
    69,905x = 97,743 × 97,743
  4. Step 4: Simplify right side
    69,905x = 9,553,694,049
  5. Step 5: Solve for x
    x = 9,553,694,049/69,905
  6. Step 6: Final answer
    x = 136,666.82

Related Problems

Find third proportional to 34,952.50 and 48,871.50
Half scale
Find third proportional to 139,810 and 195,486
Double scale
Find third proportional to 69,907 and 97,746
Similar ratio
Find third proportional to 104,857.50 and 146,614.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.