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Finding the Third Proportional to 8,675,191.13 and 18,843,784.31

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Solution

The third proportional to 8,675,191.13 and 18,843,784.31 is: 40,931,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,191.13 : 18,843,784.31 = 18,843,784.31 : x
  2. Step 2: Convert to fraction form
    8,675,191.13/18,843,784.31 = 18,843,784.31/x
  3. Step 3: Cross multiply
    8,675,191.13x = 18,843,784.31 × 18,843,784.31
  4. Step 4: Simplify right side
    8,675,191.13x = 355,088,207,216,021.12
  5. Step 5: Solve for x
    x = 355,088,207,216,021.12/8,675,191.13
  6. Step 6: Final answer
    x = 40,931,456.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.