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Finding the Third Proportional to 8,573,996.81 and 18,391,303.13

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Solution

The third proportional to 8,573,996.81 and 18,391,303.13 is: 39,449,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573,996.81 : 18,391,303.13 = 18,391,303.13 : x
  2. Step 2: Convert to fraction form
    8,573,996.81/18,391,303.13 = 18,391,303.13/x
  3. Step 3: Cross multiply
    8,573,996.81x = 18,391,303.13 × 18,391,303.13
  4. Step 4: Simplify right side
    8,573,996.81x = 338,240,030,635,634.75
  5. Step 5: Solve for x
    x = 338,240,030,635,634.75/8,573,996.81
  6. Step 6: Final answer
    x = 39,449,516.72

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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.