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Finding the Third Proportional to 15,732,078 and 34,323,780

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Solution

The third proportional to 15,732,078 and 34,323,780 is: 74,886,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,732,078 : 34,323,780 = 34,323,780 : x
  2. Step 2: Convert to fraction form
    15,732,078/34,323,780 = 34,323,780/x
  3. Step 3: Cross multiply
    15,732,078x = 34,323,780 × 34,323,780
  4. Step 4: Simplify right side
    15,732,078x = 1,178,121,873,488,400
  5. Step 5: Solve for x
    x = 1,178,121,873,488,400/15,732,078
  6. Step 6: Final answer
    x = 74,886,602.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.