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Finding the Third Proportional to 15,690,541 and 36,640,081

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Solution

The third proportional to 15,690,541 and 36,640,081 is: 85,560,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690,541 : 36,640,081 = 36,640,081 : x
  2. Step 2: Convert to fraction form
    15,690,541/36,640,081 = 36,640,081/x
  3. Step 3: Cross multiply
    15,690,541x = 36,640,081 × 36,640,081
  4. Step 4: Simplify right side
    15,690,541x = 1,342,495,535,686,561
  5. Step 5: Solve for x
    x = 1,342,495,535,686,561/15,690,541
  6. Step 6: Final answer
    x = 85,560,818.82

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.