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Finding the Third Proportional to 1,229,266.13 and 1,861,040.81

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Solution

The third proportional to 1,229,266.13 and 1,861,040.81 is: 2,817,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,266.13 : 1,861,040.81 = 1,861,040.81 : x
  2. Step 2: Convert to fraction form
    1,229,266.13/1,861,040.81 = 1,861,040.81/x
  3. Step 3: Cross multiply
    1,229,266.13x = 1,861,040.81 × 1,861,040.81
  4. Step 4: Simplify right side
    1,229,266.13x = 3,463,472,905,790.66
  5. Step 5: Solve for x
    x = 3,463,472,905,790.66/1,229,266.13
  6. Step 6: Final answer
    x = 2,817,512.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.