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Finding the Third Proportional to 3,887,701.31 and 8,482,892.06

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Solution

The third proportional to 3,887,701.31 and 8,482,892.06 is: 18,509,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,701.31 : 8,482,892.06 = 8,482,892.06 : x
  2. Step 2: Convert to fraction form
    3,887,701.31/8,482,892.06 = 8,482,892.06/x
  3. Step 3: Cross multiply
    3,887,701.31x = 8,482,892.06 × 8,482,892.06
  4. Step 4: Simplify right side
    3,887,701.31x = 71,959,457,744,025.50
  5. Step 5: Solve for x
    x = 71,959,457,744,025.50/3,887,701.31
  6. Step 6: Final answer
    x = 18,509,512.94

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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.