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Finding the Third Proportional to 127 and 147.50

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Solution

The third proportional to 127 and 147.50 is: 171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127 : 147.50 = 147.50 : x
  2. Step 2: Convert to fraction form
    127/147.50 = 147.50/x
  3. Step 3: Cross multiply
    127x = 147.50 × 147.50
  4. Step 4: Simplify right side
    127x = 21,756.25
  5. Step 5: Solve for x
    x = 21,756.25/127
  6. Step 6: Final answer
    x = 171.31

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These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.