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Finding the Third Proportional to 29 and 45.50

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Solution

The third proportional to 29 and 45.50 is: 71.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29 : 45.50 = 45.50 : x
  2. Step 2: Convert to fraction form
    29/45.50 = 45.50/x
  3. Step 3: Cross multiply
    29x = 45.50 × 45.50
  4. Step 4: Simplify right side
    29x = 2,070.25
  5. Step 5: Solve for x
    x = 2,070.25/29
  6. Step 6: Final answer
    x = 71.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.