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Finding the Third Proportional to 99,098 and 213,748

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Solution

The third proportional to 99,098 and 213,748 is: 461,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,098 : 213,748 = 213,748 : x
  2. Step 2: Convert to fraction form
    99,098/213,748 = 213,748/x
  3. Step 3: Cross multiply
    99,098x = 213,748 × 213,748
  4. Step 4: Simplify right side
    99,098x = 45,688,207,504
  5. Step 5: Solve for x
    x = 45,688,207,504/99,098
  6. Step 6: Final answer
    x = 461,040.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.