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Finding the Third Proportional to 42,482 and 93,388

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Solution

The third proportional to 42,482 and 93,388 is: 205,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,482 : 93,388 = 93,388 : x
  2. Step 2: Convert to fraction form
    42,482/93,388 = 93,388/x
  3. Step 3: Cross multiply
    42,482x = 93,388 × 93,388
  4. Step 4: Simplify right side
    42,482x = 8,721,318,544
  5. Step 5: Solve for x
    x = 8,721,318,544/42,482
  6. Step 6: Final answer
    x = 205,294.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.