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Finding the Third Proportional to 564,885 and 1,241,721

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Solution

The third proportional to 564,885 and 1,241,721 is: 2,729,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,885 : 1,241,721 = 1,241,721 : x
  2. Step 2: Convert to fraction form
    564,885/1,241,721 = 1,241,721/x
  3. Step 3: Cross multiply
    564,885x = 1,241,721 × 1,241,721
  4. Step 4: Simplify right side
    564,885x = 1,541,871,041,841
  5. Step 5: Solve for x
    x = 1,541,871,041,841/564,885
  6. Step 6: Final answer
    x = 2,729,530.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.