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Finding the Third Proportional to 482,402 and 709,149

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Solution

The third proportional to 482,402 and 709,149 is: 1,042,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,402 : 709,149 = 709,149 : x
  2. Step 2: Convert to fraction form
    482,402/709,149 = 709,149/x
  3. Step 3: Cross multiply
    482,402x = 709,149 × 709,149
  4. Step 4: Simplify right side
    482,402x = 502,892,304,201
  5. Step 5: Solve for x
    x = 502,892,304,201/482,402
  6. Step 6: Final answer
    x = 1,042,475.58

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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.