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Finding the Third Proportional to 503.88 and 756.05

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Solution

The third proportional to 503.88 and 756.05 is: 1,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.88 : 756.05 = 756.05 : x
  2. Step 2: Convert to fraction form
    503.88/756.05 = 756.05/x
  3. Step 3: Cross multiply
    503.88x = 756.05 × 756.05
  4. Step 4: Simplify right side
    503.88x = 571,615.74
  5. Step 5: Solve for x
    x = 571,615.74/503.88
  6. Step 6: Final answer
    x = 1,134.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.