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Finding the Third Proportional to 672,331 and 1,456,667

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Solution

The third proportional to 672,331 and 1,456,667 is: 3,156,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,331 : 1,456,667 = 1,456,667 : x
  2. Step 2: Convert to fraction form
    672,331/1,456,667 = 1,456,667/x
  3. Step 3: Cross multiply
    672,331x = 1,456,667 × 1,456,667
  4. Step 4: Simplify right side
    672,331x = 2,121,878,748,889
  5. Step 5: Solve for x
    x = 2,121,878,748,889/672,331
  6. Step 6: Final answer
    x = 3,156,003.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.