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Finding the Third Proportional to 8,607.71 and 13,300.80

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Solution

The third proportional to 8,607.71 and 13,300.80 is: 20,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.71 : 13,300.80 = 13,300.80 : x
  2. Step 2: Convert to fraction form
    8,607.71/13,300.80 = 13,300.80/x
  3. Step 3: Cross multiply
    8,607.71x = 13,300.80 × 13,300.80
  4. Step 4: Simplify right side
    8,607.71x = 176,911,324.97
  5. Step 5: Solve for x
    x = 176,911,324.97/8,607.71
  6. Step 6: Final answer
    x = 20,552.66

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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.