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Finding the Third Proportional to 568,620 and 1,215,972

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Solution

The third proportional to 568,620 and 1,215,972 is: 2,600,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,620 : 1,215,972 = 1,215,972 : x
  2. Step 2: Convert to fraction form
    568,620/1,215,972 = 1,215,972/x
  3. Step 3: Cross multiply
    568,620x = 1,215,972 × 1,215,972
  4. Step 4: Simplify right side
    568,620x = 1,478,587,904,784
  5. Step 5: Solve for x
    x = 1,478,587,904,784/568,620
  6. Step 6: Final answer
    x = 2,600,309.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.