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Finding the Third Proportional to 8,384,288 and 17,963,920

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Solution

The third proportional to 8,384,288 and 17,963,920 is: 38,488,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384,288 : 17,963,920 = 17,963,920 : x
  2. Step 2: Convert to fraction form
    8,384,288/17,963,920 = 17,963,920/x
  3. Step 3: Cross multiply
    8,384,288x = 17,963,920 × 17,963,920
  4. Step 4: Simplify right side
    8,384,288x = 322,702,421,766,400
  5. Step 5: Solve for x
    x = 322,702,421,766,400/8,384,288
  6. Step 6: Final answer
    x = 38,488,947.63

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.