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Finding the Third Proportional to 31,722,619 and 47,793,953

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Solution

The third proportional to 31,722,619 and 47,793,953 is: 72,007,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722,619 : 47,793,953 = 47,793,953 : x
  2. Step 2: Convert to fraction form
    31,722,619/47,793,953 = 47,793,953/x
  3. Step 3: Cross multiply
    31,722,619x = 47,793,953 × 47,793,953
  4. Step 4: Simplify right side
    31,722,619x = 2,284,261,943,366,209
  5. Step 5: Solve for x
    x = 2,284,261,943,366,209/31,722,619
  6. Step 6: Final answer
    x = 72,007,356.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.