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Finding the Third Proportional to 424 and 750.50

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Solution

The third proportional to 424 and 750.50 is: 1,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    424 : 750.50 = 750.50 : x
  2. Step 2: Convert to fraction form
    424/750.50 = 750.50/x
  3. Step 3: Cross multiply
    424x = 750.50 × 750.50
  4. Step 4: Simplify right side
    424x = 563,250.25
  5. Step 5: Solve for x
    x = 563,250.25/424
  6. Step 6: Final answer
    x = 1,328.42

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.