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Finding the Third Proportional to 7,124.63 and 17,209.13

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Solution

The third proportional to 7,124.63 and 17,209.13 is: 41,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.63 : 17,209.13 = 17,209.13 : x
  2. Step 2: Convert to fraction form
    7,124.63/17,209.13 = 17,209.13/x
  3. Step 3: Cross multiply
    7,124.63x = 17,209.13 × 17,209.13
  4. Step 4: Simplify right side
    7,124.63x = 296,153,983.27
  5. Step 5: Solve for x
    x = 296,153,983.27/7,124.63
  6. Step 6: Final answer
    x = 41,567.66

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.