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Finding the Third Proportional to 1,126,812.75 and 1,745,883.88

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Solution

The third proportional to 1,126,812.75 and 1,745,883.88 is: 2,705,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,812.75 : 1,745,883.88 = 1,745,883.88 : x
  2. Step 2: Convert to fraction form
    1,126,812.75/1,745,883.88 = 1,745,883.88/x
  3. Step 3: Cross multiply
    1,126,812.75x = 1,745,883.88 × 1,745,883.88
  4. Step 4: Simplify right side
    1,126,812.75x = 3,048,110,504,985.02
  5. Step 5: Solve for x
    x = 3,048,110,504,985.02/1,126,812.75
  6. Step 6: Final answer
    x = 2,705,072.79

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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.