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Finding the Third Proportional to 91.83 and 147.63

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Solution

The third proportional to 91.83 and 147.63 is: 237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91.83 : 147.63 = 147.63 : x
  2. Step 2: Convert to fraction form
    91.83/147.63 = 147.63/x
  3. Step 3: Cross multiply
    91.83x = 147.63 × 147.63
  4. Step 4: Simplify right side
    91.83x = 21,795.45
  5. Step 5: Solve for x
    x = 21,795.45/91.83
  6. Step 6: Final answer
    x = 237.35

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.