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Finding the Third Proportional to 20,121,564 and 43,645,818

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Solution

The third proportional to 20,121,564 and 43,645,818 is: 94,672,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,564 : 43,645,818 = 43,645,818 : x
  2. Step 2: Convert to fraction form
    20,121,564/43,645,818 = 43,645,818/x
  3. Step 3: Cross multiply
    20,121,564x = 43,645,818 × 43,645,818
  4. Step 4: Simplify right side
    20,121,564x = 1,904,957,428,889,124
  5. Step 5: Solve for x
    x = 1,904,957,428,889,124/20,121,564
  6. Step 6: Final answer
    x = 94,672,433.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.