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Finding the Third Proportional to 21,899,125 and 47,260,680

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Solution

The third proportional to 21,899,125 and 47,260,680 is: 101,993,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899,125 : 47,260,680 = 47,260,680 : x
  2. Step 2: Convert to fraction form
    21,899,125/47,260,680 = 47,260,680/x
  3. Step 3: Cross multiply
    21,899,125x = 47,260,680 × 47,260,680
  4. Step 4: Simplify right side
    21,899,125x = 2,233,571,874,062,400
  5. Step 5: Solve for x
    x = 2,233,571,874,062,400/21,899,125
  6. Step 6: Final answer
    x = 101,993,658.38

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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.