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Finding the Third Proportional to 611,523 and 1,438,872

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Solution

The third proportional to 611,523 and 1,438,872 is: 3,385,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,523 : 1,438,872 = 1,438,872 : x
  2. Step 2: Convert to fraction form
    611,523/1,438,872 = 1,438,872/x
  3. Step 3: Cross multiply
    611,523x = 1,438,872 × 1,438,872
  4. Step 4: Simplify right side
    611,523x = 2,070,352,632,384
  5. Step 5: Solve for x
    x = 2,070,352,632,384/611,523
  6. Step 6: Final answer
    x = 3,385,567.89

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.