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Finding the Third Proportional to 861,466.50 and 1,267,320.75

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Solution

The third proportional to 861,466.50 and 1,267,320.75 is: 1,864,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,466.50 : 1,267,320.75 = 1,267,320.75 : x
  2. Step 2: Convert to fraction form
    861,466.50/1,267,320.75 = 1,267,320.75/x
  3. Step 3: Cross multiply
    861,466.50x = 1,267,320.75 × 1,267,320.75
  4. Step 4: Simplify right side
    861,466.50x = 1,606,101,883,380.56
  5. Step 5: Solve for x
    x = 1,606,101,883,380.56/861,466.50
  6. Step 6: Final answer
    x = 1,864,381.13

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.