Home / 61,358-86,385

Finding the Third Proportional to 61,358 and 86,385

Calculator

Solution

The third proportional to 61,358 and 86,385 is: 121,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,358 : 86,385 = 86,385 : x
  2. Step 2: Convert to fraction form
    61,358/86,385 = 86,385/x
  3. Step 3: Cross multiply
    61,358x = 86,385 × 86,385
  4. Step 4: Simplify right side
    61,358x = 7,462,368,225
  5. Step 5: Solve for x
    x = 7,462,368,225/61,358
  6. Step 6: Final answer
    x = 121,620.13

Related Problems

Find third proportional to 30,679 and 43,192.50
Half scale
Find third proportional to 122,716 and 172,770
Double scale
Find third proportional to 61,360 and 86,388
Similar ratio
Find third proportional to 92,037 and 129,577.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.