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Finding the Third Proportional to 292 and 437.50

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Solution

The third proportional to 292 and 437.50 is: 655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292 : 437.50 = 437.50 : x
  2. Step 2: Convert to fraction form
    292/437.50 = 437.50/x
  3. Step 3: Cross multiply
    292x = 437.50 × 437.50
  4. Step 4: Simplify right side
    292x = 191,406.25
  5. Step 5: Solve for x
    x = 191,406.25/292
  6. Step 6: Final answer
    x = 655.50

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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.