Home / 109,335-178,534

Finding the Third Proportional to 109,335 and 178,534

Calculator

Solution

The third proportional to 109,335 and 178,534 is: 291,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,335 : 178,534 = 178,534 : x
  2. Step 2: Convert to fraction form
    109,335/178,534 = 178,534/x
  3. Step 3: Cross multiply
    109,335x = 178,534 × 178,534
  4. Step 4: Simplify right side
    109,335x = 31,874,389,156
  5. Step 5: Solve for x
    x = 31,874,389,156/109,335
  6. Step 6: Final answer
    x = 291,529.60

Related Problems

Find third proportional to 54,667.50 and 89,267
Half scale
Find third proportional to 218,670 and 357,068
Double scale
Find third proportional to 109,337 and 178,537
Similar ratio
Find third proportional to 164,002.50 and 267,801
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.