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Finding the Third Proportional to 5,787,780 and 12,571,680

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Solution

The third proportional to 5,787,780 and 12,571,680 is: 27,307,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787,780 : 12,571,680 = 12,571,680 : x
  2. Step 2: Convert to fraction form
    5,787,780/12,571,680 = 12,571,680/x
  3. Step 3: Cross multiply
    5,787,780x = 12,571,680 × 12,571,680
  4. Step 4: Simplify right side
    5,787,780x = 158,047,138,022,400
  5. Step 5: Solve for x
    x = 158,047,138,022,400/5,787,780
  6. Step 6: Final answer
    x = 27,307,039.66

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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.