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Finding the Third Proportional to 482,998.88 and 709,729.50

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Solution

The third proportional to 482,998.88 and 709,729.50 is: 1,042,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,998.88 : 709,729.50 = 709,729.50 : x
  2. Step 2: Convert to fraction form
    482,998.88/709,729.50 = 709,729.50/x
  3. Step 3: Cross multiply
    482,998.88x = 709,729.50 × 709,729.50
  4. Step 4: Simplify right side
    482,998.88x = 503,715,963,170.25
  5. Step 5: Solve for x
    x = 503,715,963,170.25/482,998.88
  6. Step 6: Final answer
    x = 1,042,892.62

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.