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Finding the Third Proportional to 239,280.75 and 522,028.13

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Solution

The third proportional to 239,280.75 and 522,028.13 is: 1,138,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,280.75 : 522,028.13 = 522,028.13 : x
  2. Step 2: Convert to fraction form
    239,280.75/522,028.13 = 522,028.13/x
  3. Step 3: Cross multiply
    239,280.75x = 522,028.13 × 522,028.13
  4. Step 4: Simplify right side
    239,280.75x = 272,513,363,291.02
  5. Step 5: Solve for x
    x = 272,513,363,291.02/239,280.75
  6. Step 6: Final answer
    x = 1,138,885.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.