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Finding the Third Proportional to 359,721 and 527,916.75

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Solution

The third proportional to 359,721 and 527,916.75 is: 774,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,721 : 527,916.75 = 527,916.75 : x
  2. Step 2: Convert to fraction form
    359,721/527,916.75 = 527,916.75/x
  3. Step 3: Cross multiply
    359,721x = 527,916.75 × 527,916.75
  4. Step 4: Simplify right side
    359,721x = 278,696,094,930.56
  5. Step 5: Solve for x
    x = 278,696,094,930.56/359,721
  6. Step 6: Final answer
    x = 774,756.26

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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.