Home / 61,356-86,382

Finding the Third Proportional to 61,356 and 86,382

Calculator

Solution

The third proportional to 61,356 and 86,382 is: 121,615.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,356 : 86,382 = 86,382 : x
  2. Step 2: Convert to fraction form
    61,356/86,382 = 86,382/x
  3. Step 3: Cross multiply
    61,356x = 86,382 × 86,382
  4. Step 4: Simplify right side
    61,356x = 7,461,849,924
  5. Step 5: Solve for x
    x = 7,461,849,924/61,356
  6. Step 6: Final answer
    x = 121,615.65

Related Problems

Find third proportional to 30,678 and 43,191
Half scale
Find third proportional to 122,712 and 172,764
Double scale
Find third proportional to 61,358 and 86,385
Similar ratio
Find third proportional to 92,034 and 129,573
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.