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Finding the Third Proportional to 5,487,370.95 and 11,951,989.17

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Solution

The third proportional to 5,487,370.95 and 11,951,989.17 is: 26,032,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487,370.95 : 11,951,989.17 = 11,951,989.17 : x
  2. Step 2: Convert to fraction form
    5,487,370.95/11,951,989.17 = 11,951,989.17/x
  3. Step 3: Cross multiply
    5,487,370.95x = 11,951,989.17 × 11,951,989.17
  4. Step 4: Simplify right side
    5,487,370.95x = 142,850,045,164,617.25
  5. Step 5: Solve for x
    x = 142,850,045,164,617.25/5,487,370.95
  6. Step 6: Final answer
    x = 26,032,511.12

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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.