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Finding the Third Proportional to 304,432 and 657,127

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Solution

The third proportional to 304,432 and 657,127 is: 1,418,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,432 : 657,127 = 657,127 : x
  2. Step 2: Convert to fraction form
    304,432/657,127 = 657,127/x
  3. Step 3: Cross multiply
    304,432x = 657,127 × 657,127
  4. Step 4: Simplify right side
    304,432x = 431,815,894,129
  5. Step 5: Solve for x
    x = 431,815,894,129/304,432
  6. Step 6: Final answer
    x = 1,418,431.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.