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Finding the Third Proportional to 102,278 and 156,986

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Solution

The third proportional to 102,278 and 156,986 is: 240,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,278 : 156,986 = 156,986 : x
  2. Step 2: Convert to fraction form
    102,278/156,986 = 156,986/x
  3. Step 3: Cross multiply
    102,278x = 156,986 × 156,986
  4. Step 4: Simplify right side
    102,278x = 24,644,604,196
  5. Step 5: Solve for x
    x = 24,644,604,196/102,278
  6. Step 6: Final answer
    x = 240,957.04

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.