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Finding the Third Proportional to 19,687,887 and 28,361,170.31

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Solution

The third proportional to 19,687,887 and 28,361,170.31 is: 40,855,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687,887 : 28,361,170.31 = 28,361,170.31 : x
  2. Step 2: Convert to fraction form
    19,687,887/28,361,170.31 = 28,361,170.31/x
  3. Step 3: Cross multiply
    19,687,887x = 28,361,170.31 × 28,361,170.31
  4. Step 4: Simplify right side
    19,687,887x = 804,355,981,494,631.38
  5. Step 5: Solve for x
    x = 804,355,981,494,631.38/19,687,887
  6. Step 6: Final answer
    x = 40,855,373.74

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.