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Finding the Third Proportional to 507.75 and 583.50

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Solution

The third proportional to 507.75 and 583.50 is: 670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.75 : 583.50 = 583.50 : x
  2. Step 2: Convert to fraction form
    507.75/583.50 = 583.50/x
  3. Step 3: Cross multiply
    507.75x = 583.50 × 583.50
  4. Step 4: Simplify right side
    507.75x = 340,472.25
  5. Step 5: Solve for x
    x = 340,472.25/507.75
  6. Step 6: Final answer
    x = 670.55

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.