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Finding the Third Proportional to 482,396.50 and 709,143

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Solution

The third proportional to 482,396.50 and 709,143 is: 1,042,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,396.50 : 709,143 = 709,143 : x
  2. Step 2: Convert to fraction form
    482,396.50/709,143 = 709,143/x
  3. Step 3: Cross multiply
    482,396.50x = 709,143 × 709,143
  4. Step 4: Simplify right side
    482,396.50x = 502,883,794,449
  5. Step 5: Solve for x
    x = 502,883,794,449/482,396.50
  6. Step 6: Final answer
    x = 1,042,469.82

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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.