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Finding the Third Proportional to 13,119,822.75 and 28,469,758.88

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Solution

The third proportional to 13,119,822.75 and 28,469,758.88 is: 61,778,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119,822.75 : 28,469,758.88 = 28,469,758.88 : x
  2. Step 2: Convert to fraction form
    13,119,822.75/28,469,758.88 = 28,469,758.88/x
  3. Step 3: Cross multiply
    13,119,822.75x = 28,469,758.88 × 28,469,758.88
  4. Step 4: Simplify right side
    13,119,822.75x = 810,527,170,400,641.25
  5. Step 5: Solve for x
    x = 810,527,170,400,641.25/13,119,822.75
  6. Step 6: Final answer
    x = 61,778,820.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.