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Finding the Third Proportional to 8,740.41 and 13,090.36

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Solution

The third proportional to 8,740.41 and 13,090.36 is: 19,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.41 : 13,090.36 = 13,090.36 : x
  2. Step 2: Convert to fraction form
    8,740.41/13,090.36 = 13,090.36/x
  3. Step 3: Cross multiply
    8,740.41x = 13,090.36 × 13,090.36
  4. Step 4: Simplify right side
    8,740.41x = 171,357,508.57
  5. Step 5: Solve for x
    x = 171,357,508.57/8,740.41
  6. Step 6: Final answer
    x = 19,605.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.