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Finding the Third Proportional to 513,504 and 755,716.50

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Solution

The third proportional to 513,504 and 755,716.50 is: 1,112,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,504 : 755,716.50 = 755,716.50 : x
  2. Step 2: Convert to fraction form
    513,504/755,716.50 = 755,716.50/x
  3. Step 3: Cross multiply
    513,504x = 755,716.50 × 755,716.50
  4. Step 4: Simplify right side
    513,504x = 571,107,428,372.25
  5. Step 5: Solve for x
    x = 571,107,428,372.25/513,504
  6. Step 6: Final answer
    x = 1,112,177.18

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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.