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Finding the Third Proportional to 8,611,488 and 20,299,680

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Solution

The third proportional to 8,611,488 and 20,299,680 is: 47,852,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,488 : 20,299,680 = 20,299,680 : x
  2. Step 2: Convert to fraction form
    8,611,488/20,299,680 = 20,299,680/x
  3. Step 3: Cross multiply
    8,611,488x = 20,299,680 × 20,299,680
  4. Step 4: Simplify right side
    8,611,488x = 412,077,008,102,400
  5. Step 5: Solve for x
    x = 412,077,008,102,400/8,611,488
  6. Step 6: Final answer
    x = 47,852,009.79

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.