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Finding the Third Proportional to 5,327.65 and 8,357.87

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Solution

The third proportional to 5,327.65 and 8,357.87 is: 13,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.65 : 8,357.87 = 8,357.87 : x
  2. Step 2: Convert to fraction form
    5,327.65/8,357.87 = 8,357.87/x
  3. Step 3: Cross multiply
    5,327.65x = 8,357.87 × 8,357.87
  4. Step 4: Simplify right side
    5,327.65x = 69,854,009.22
  5. Step 5: Solve for x
    x = 69,854,009.22/5,327.65
  6. Step 6: Final answer
    x = 13,111.60

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.