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Finding the Third Proportional to 100,924 and 156,718

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Solution

The third proportional to 100,924 and 156,718 is: 243,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,924 : 156,718 = 156,718 : x
  2. Step 2: Convert to fraction form
    100,924/156,718 = 156,718/x
  3. Step 3: Cross multiply
    100,924x = 156,718 × 156,718
  4. Step 4: Simplify right side
    100,924x = 24,560,531,524
  5. Step 5: Solve for x
    x = 24,560,531,524/100,924
  6. Step 6: Final answer
    x = 243,356.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.