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Finding the Third Proportional to 20,711,638 and 31,067,458

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Solution

The third proportional to 20,711,638 and 31,067,458 is: 46,601,188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,638 : 31,067,458 = 31,067,458 : x
  2. Step 2: Convert to fraction form
    20,711,638/31,067,458 = 31,067,458/x
  3. Step 3: Cross multiply
    20,711,638x = 31,067,458 × 31,067,458
  4. Step 4: Simplify right side
    20,711,638x = 965,186,946,581,764
  5. Step 5: Solve for x
    x = 965,186,946,581,764/20,711,638
  6. Step 6: Final answer
    x = 46,601,188.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.