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Finding the Third Proportional to 10,663,880 and 15,238,680

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Solution

The third proportional to 10,663,880 and 15,238,680 is: 21,776,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663,880 : 15,238,680 = 15,238,680 : x
  2. Step 2: Convert to fraction form
    10,663,880/15,238,680 = 15,238,680/x
  3. Step 3: Cross multiply
    10,663,880x = 15,238,680 × 15,238,680
  4. Step 4: Simplify right side
    10,663,880x = 232,217,368,142,400
  5. Step 5: Solve for x
    x = 232,217,368,142,400/10,663,880
  6. Step 6: Final answer
    x = 21,776,067.26

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.