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Finding the Third Proportional to 8,513,034.19 and 13,187,815.03

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Solution

The third proportional to 8,513,034.19 and 13,187,815.03 is: 20,429,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,034.19 : 13,187,815.03 = 13,187,815.03 : x
  2. Step 2: Convert to fraction form
    8,513,034.19/13,187,815.03 = 13,187,815.03/x
  3. Step 3: Cross multiply
    8,513,034.19x = 13,187,815.03 × 13,187,815.03
  4. Step 4: Simplify right side
    8,513,034.19x = 173,918,465,298,463.44
  5. Step 5: Solve for x
    x = 173,918,465,298,463.44/8,513,034.19
  6. Step 6: Final answer
    x = 20,429,668.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.