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Finding the Third Proportional to 13,176.11 and 28,809.74

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Solution

The third proportional to 13,176.11 and 28,809.74 is: 62,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.11 : 28,809.74 = 28,809.74 : x
  2. Step 2: Convert to fraction form
    13,176.11/28,809.74 = 28,809.74/x
  3. Step 3: Cross multiply
    13,176.11x = 28,809.74 × 28,809.74
  4. Step 4: Simplify right side
    13,176.11x = 830,001,019.83
  5. Step 5: Solve for x
    x = 830,001,019.83/13,176.11
  6. Step 6: Final answer
    x = 62,992.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.