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Finding the Third Proportional to 389,522.25 and 586,845

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Solution

The third proportional to 389,522.25 and 586,845 is: 884,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,522.25 : 586,845 = 586,845 : x
  2. Step 2: Convert to fraction form
    389,522.25/586,845 = 586,845/x
  3. Step 3: Cross multiply
    389,522.25x = 586,845 × 586,845
  4. Step 4: Simplify right side
    389,522.25x = 344,387,054,025
  5. Step 5: Solve for x
    x = 344,387,054,025/389,522.25
  6. Step 6: Final answer
    x = 884,126.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.