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Finding the Third Proportional to 5,418,808 and 11,943,428

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Solution

The third proportional to 5,418,808 and 11,943,428 is: 26,324,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,808 : 11,943,428 = 11,943,428 : x
  2. Step 2: Convert to fraction form
    5,418,808/11,943,428 = 11,943,428/x
  3. Step 3: Cross multiply
    5,418,808x = 11,943,428 × 11,943,428
  4. Step 4: Simplify right side
    5,418,808x = 142,645,472,391,184
  5. Step 5: Solve for x
    x = 142,645,472,391,184/5,418,808
  6. Step 6: Final answer
    x = 26,324,142.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.