Home / 38,490-84,534

Finding the Third Proportional to 38,490 and 84,534

Calculator

Solution

The third proportional to 38,490 and 84,534 is: 185,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,490 : 84,534 = 84,534 : x
  2. Step 2: Convert to fraction form
    38,490/84,534 = 84,534/x
  3. Step 3: Cross multiply
    38,490x = 84,534 × 84,534
  4. Step 4: Simplify right side
    38,490x = 7,145,997,156
  5. Step 5: Solve for x
    x = 7,145,997,156/38,490
  6. Step 6: Final answer
    x = 185,658.54

Related Problems

Find third proportional to 19,245 and 42,267
Half scale
Find third proportional to 76,980 and 169,068
Double scale
Find third proportional to 38,492 and 84,538
Similar ratio
Find third proportional to 57,735 and 126,801
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.