Home / 39,500-84,688

Finding the Third Proportional to 39,500 and 84,688

Calculator

Solution

The third proportional to 39,500 and 84,688 is: 181,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,500 : 84,688 = 84,688 : x
  2. Step 2: Convert to fraction form
    39,500/84,688 = 84,688/x
  3. Step 3: Cross multiply
    39,500x = 84,688 × 84,688
  4. Step 4: Simplify right side
    39,500x = 7,172,057,344
  5. Step 5: Solve for x
    x = 7,172,057,344/39,500
  6. Step 6: Final answer
    x = 181,571.07

Related Problems

Find third proportional to 19,750 and 42,344
Half scale
Find third proportional to 79,000 and 169,376
Double scale
Find third proportional to 39,502 and 84,692
Similar ratio
Find third proportional to 59,250 and 127,032
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.