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Finding the Third Proportional to 8,845,920.56 and 18,921,732.75

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Solution

The third proportional to 8,845,920.56 and 18,921,732.75 is: 40,474,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845,920.56 : 18,921,732.75 = 18,921,732.75 : x
  2. Step 2: Convert to fraction form
    8,845,920.56/18,921,732.75 = 18,921,732.75/x
  3. Step 3: Cross multiply
    8,845,920.56x = 18,921,732.75 × 18,921,732.75
  4. Step 4: Simplify right side
    8,845,920.56x = 358,031,970,262,422.56
  5. Step 5: Solve for x
    x = 358,031,970,262,422.56/8,845,920.56
  6. Step 6: Final answer
    x = 40,474,246.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.