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Finding the Third Proportional to 15,676,648 and 21,662,298

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Solution

The third proportional to 15,676,648 and 21,662,298 is: 29,933,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676,648 : 21,662,298 = 21,662,298 : x
  2. Step 2: Convert to fraction form
    15,676,648/21,662,298 = 21,662,298/x
  3. Step 3: Cross multiply
    15,676,648x = 21,662,298 × 21,662,298
  4. Step 4: Simplify right side
    15,676,648x = 469,255,154,640,804
  5. Step 5: Solve for x
    x = 469,255,154,640,804/15,676,648
  6. Step 6: Final answer
    x = 29,933,385.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.