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Finding the Third Proportional to 272,913 and 587,298

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Solution

The third proportional to 272,913 and 587,298 is: 1,263,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,913 : 587,298 = 587,298 : x
  2. Step 2: Convert to fraction form
    272,913/587,298 = 587,298/x
  3. Step 3: Cross multiply
    272,913x = 587,298 × 587,298
  4. Step 4: Simplify right side
    272,913x = 344,918,940,804
  5. Step 5: Solve for x
    x = 344,918,940,804/272,913
  6. Step 6: Final answer
    x = 1,263,842.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.