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Finding the Third Proportional to 15,167,648 and 21,461,757

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Solution

The third proportional to 15,167,648 and 21,461,757 is: 30,367,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167,648 : 21,461,757 = 21,461,757 : x
  2. Step 2: Convert to fraction form
    15,167,648/21,461,757 = 21,461,757/x
  3. Step 3: Cross multiply
    15,167,648x = 21,461,757 × 21,461,757
  4. Step 4: Simplify right side
    15,167,648x = 460,607,013,527,049
  5. Step 5: Solve for x
    x = 460,607,013,527,049/15,167,648
  6. Step 6: Final answer
    x = 30,367,728.31

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.