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Finding the Third Proportional to 103,479 and 158,636

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Solution

The third proportional to 103,479 and 158,636 is: 243,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,479 : 158,636 = 158,636 : x
  2. Step 2: Convert to fraction form
    103,479/158,636 = 158,636/x
  3. Step 3: Cross multiply
    103,479x = 158,636 × 158,636
  4. Step 4: Simplify right side
    103,479x = 25,165,380,496
  5. Step 5: Solve for x
    x = 25,165,380,496/103,479
  6. Step 6: Final answer
    x = 243,193.12

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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.