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Finding the Third Proportional to 482,853 and 709,488

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Solution

The third proportional to 482,853 and 709,488 is: 1,042,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,853 : 709,488 = 709,488 : x
  2. Step 2: Convert to fraction form
    482,853/709,488 = 709,488/x
  3. Step 3: Cross multiply
    482,853x = 709,488 × 709,488
  4. Step 4: Simplify right side
    482,853x = 503,373,222,144
  5. Step 5: Solve for x
    x = 503,373,222,144/482,853
  6. Step 6: Final answer
    x = 1,042,497.87

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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.