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Finding the Third Proportional to 18,650,761.88 and 40,135,875.75

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Solution

The third proportional to 18,650,761.88 and 40,135,875.75 is: 86,371,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,761.88 : 40,135,875.75 = 40,135,875.75 : x
  2. Step 2: Convert to fraction form
    18,650,761.88/40,135,875.75 = 40,135,875.75/x
  3. Step 3: Cross multiply
    18,650,761.88x = 40,135,875.75 × 40,135,875.75
  4. Step 4: Simplify right side
    18,650,761.88x = 1,610,888,522,219,438
  5. Step 5: Solve for x
    x = 1,610,888,522,219,438/18,650,761.88
  6. Step 6: Final answer
    x = 86,371,191.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.