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Finding the Third Proportional to 605.25 and 652.50

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Solution

The third proportional to 605.25 and 652.50 is: 703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.25 : 652.50 = 652.50 : x
  2. Step 2: Convert to fraction form
    605.25/652.50 = 652.50/x
  3. Step 3: Cross multiply
    605.25x = 652.50 × 652.50
  4. Step 4: Simplify right side
    605.25x = 425,756.25
  5. Step 5: Solve for x
    x = 425,756.25/605.25
  6. Step 6: Final answer
    x = 703.44

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.