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Finding the Third Proportional to 409,342 and 838,952

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Solution

The third proportional to 409,342 and 838,952 is: 1,719,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,342 : 838,952 = 838,952 : x
  2. Step 2: Convert to fraction form
    409,342/838,952 = 838,952/x
  3. Step 3: Cross multiply
    409,342x = 838,952 × 838,952
  4. Step 4: Simplify right side
    409,342x = 703,840,458,304
  5. Step 5: Solve for x
    x = 703,840,458,304/409,342
  6. Step 6: Final answer
    x = 1,719,443.54

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.