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Finding the Third Proportional to 4,034,634.19 and 8,706,857.06

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Solution

The third proportional to 4,034,634.19 and 8,706,857.06 is: 18,789,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,034,634.19 : 8,706,857.06 = 8,706,857.06 : x
  2. Step 2: Convert to fraction form
    4,034,634.19/8,706,857.06 = 8,706,857.06/x
  3. Step 3: Cross multiply
    4,034,634.19x = 8,706,857.06 × 8,706,857.06
  4. Step 4: Simplify right side
    4,034,634.19x = 75,809,359,906,806.12
  5. Step 5: Solve for x
    x = 75,809,359,906,806.12/4,034,634.19
  6. Step 6: Final answer
    x = 18,789,648.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.