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Finding the Third Proportional to 1,215,327 and 2,619,060

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Solution

The third proportional to 1,215,327 and 2,619,060 is: 5,644,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,327 : 2,619,060 = 2,619,060 : x
  2. Step 2: Convert to fraction form
    1,215,327/2,619,060 = 2,619,060/x
  3. Step 3: Cross multiply
    1,215,327x = 2,619,060 × 2,619,060
  4. Step 4: Simplify right side
    1,215,327x = 6,859,475,283,600
  5. Step 5: Solve for x
    x = 6,859,475,283,600/1,215,327
  6. Step 6: Final answer
    x = 5,644,139.63

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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.