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Finding the Third Proportional to 103,687 and 156,482

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Solution

The third proportional to 103,687 and 156,482 is: 236,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687 : 156,482 = 156,482 : x
  2. Step 2: Convert to fraction form
    103,687/156,482 = 156,482/x
  3. Step 3: Cross multiply
    103,687x = 156,482 × 156,482
  4. Step 4: Simplify right side
    103,687x = 24,486,616,324
  5. Step 5: Solve for x
    x = 24,486,616,324/103,687
  6. Step 6: Final answer
    x = 236,158.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.