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Finding the Third Proportional to 20,693,340 and 31,326,291

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Solution

The third proportional to 20,693,340 and 31,326,291 is: 47,422,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693,340 : 31,326,291 = 31,326,291 : x
  2. Step 2: Convert to fraction form
    20,693,340/31,326,291 = 31,326,291/x
  3. Step 3: Cross multiply
    20,693,340x = 31,326,291 × 31,326,291
  4. Step 4: Simplify right side
    20,693,340x = 981,336,507,816,681
  5. Step 5: Solve for x
    x = 981,336,507,816,681/20,693,340
  6. Step 6: Final answer
    x = 47,422,818.54

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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.