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Finding the Third Proportional to 2,421.93 and 5,132.19

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Solution

The third proportional to 2,421.93 and 5,132.19 is: 10,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.93 : 5,132.19 = 5,132.19 : x
  2. Step 2: Convert to fraction form
    2,421.93/5,132.19 = 5,132.19/x
  3. Step 3: Cross multiply
    2,421.93x = 5,132.19 × 5,132.19
  4. Step 4: Simplify right side
    2,421.93x = 26,339,358.56
  5. Step 5: Solve for x
    x = 26,339,358.56/2,421.93
  6. Step 6: Final answer
    x = 10,875.35

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.