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Finding the Third Proportional to 58,522 and 129,698

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Solution

The third proportional to 58,522 and 129,698 is: 287,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,522 : 129,698 = 129,698 : x
  2. Step 2: Convert to fraction form
    58,522/129,698 = 129,698/x
  3. Step 3: Cross multiply
    58,522x = 129,698 × 129,698
  4. Step 4: Simplify right side
    58,522x = 16,821,571,204
  5. Step 5: Solve for x
    x = 16,821,571,204/58,522
  6. Step 6: Final answer
    x = 287,440.13

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.