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Finding the Third Proportional to 15,258,002 and 21,384,039

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Solution

The third proportional to 15,258,002 and 21,384,039 is: 29,969,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258,002 : 21,384,039 = 21,384,039 : x
  2. Step 2: Convert to fraction form
    15,258,002/21,384,039 = 21,384,039/x
  3. Step 3: Cross multiply
    15,258,002x = 21,384,039 × 21,384,039
  4. Step 4: Simplify right side
    15,258,002x = 457,277,123,953,521
  5. Step 5: Solve for x
    x = 457,277,123,953,521/15,258,002
  6. Step 6: Final answer
    x = 29,969,659.46

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.