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Finding the Third Proportional to 3,165,812.78 and 6,903,250.55

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Solution

The third proportional to 3,165,812.78 and 6,903,250.55 is: 15,052,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,812.78 : 6,903,250.55 = 6,903,250.55 : x
  2. Step 2: Convert to fraction form
    3,165,812.78/6,903,250.55 = 6,903,250.55/x
  3. Step 3: Cross multiply
    3,165,812.78x = 6,903,250.55 × 6,903,250.55
  4. Step 4: Simplify right side
    3,165,812.78x = 47,654,868,153,376.13
  5. Step 5: Solve for x
    x = 47,654,868,153,376.13/3,165,812.78
  6. Step 6: Final answer
    x = 15,052,964.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.