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Finding the Third Proportional to 587,719.75 and 812,095.25

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Solution

The third proportional to 587,719.75 and 812,095.25 is: 1,122,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,719.75 : 812,095.25 = 812,095.25 : x
  2. Step 2: Convert to fraction form
    587,719.75/812,095.25 = 812,095.25/x
  3. Step 3: Cross multiply
    587,719.75x = 812,095.25 × 812,095.25
  4. Step 4: Simplify right side
    587,719.75x = 659,498,695,072.56
  5. Step 5: Solve for x
    x = 659,498,695,072.56/587,719.75
  6. Step 6: Final answer
    x = 1,122,131.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.