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Finding the Third Proportional to 1,215,317 and 2,619,044

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Solution

The third proportional to 1,215,317 and 2,619,044 is: 5,644,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,317 : 2,619,044 = 2,619,044 : x
  2. Step 2: Convert to fraction form
    1,215,317/2,619,044 = 2,619,044/x
  3. Step 3: Cross multiply
    1,215,317x = 2,619,044 × 2,619,044
  4. Step 4: Simplify right side
    1,215,317x = 6,859,391,473,936
  5. Step 5: Solve for x
    x = 6,859,391,473,936/1,215,317
  6. Step 6: Final answer
    x = 5,644,117.11

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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.