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Finding the Third Proportional to 252,528 and 561,109

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Solution

The third proportional to 252,528 and 561,109 is: 1,246,765.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,528 : 561,109 = 561,109 : x
  2. Step 2: Convert to fraction form
    252,528/561,109 = 561,109/x
  3. Step 3: Cross multiply
    252,528x = 561,109 × 561,109
  4. Step 4: Simplify right side
    252,528x = 314,843,309,881
  5. Step 5: Solve for x
    x = 314,843,309,881/252,528
  6. Step 6: Final answer
    x = 1,246,765.94

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.