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Finding the Third Proportional to 338.88 and 750.50

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Solution

The third proportional to 338.88 and 750.50 is: 1,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.88 : 750.50 = 750.50 : x
  2. Step 2: Convert to fraction form
    338.88/750.50 = 750.50/x
  3. Step 3: Cross multiply
    338.88x = 750.50 × 750.50
  4. Step 4: Simplify right side
    338.88x = 563,250.25
  5. Step 5: Solve for x
    x = 563,250.25/338.88
  6. Step 6: Final answer
    x = 1,662.12

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.