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Finding the Third Proportional to 97,442 and 209,924

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Solution

The third proportional to 97,442 and 209,924 is: 452,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,442 : 209,924 = 209,924 : x
  2. Step 2: Convert to fraction form
    97,442/209,924 = 209,924/x
  3. Step 3: Cross multiply
    97,442x = 209,924 × 209,924
  4. Step 4: Simplify right side
    97,442x = 44,068,085,776
  5. Step 5: Solve for x
    x = 44,068,085,776/97,442
  6. Step 6: Final answer
    x = 452,249.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.