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Finding the Third Proportional to 58.69 and 90.97

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Solution

The third proportional to 58.69 and 90.97 is: 141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.69 : 90.97 = 90.97 : x
  2. Step 2: Convert to fraction form
    58.69/90.97 = 90.97/x
  3. Step 3: Cross multiply
    58.69x = 90.97 × 90.97
  4. Step 4: Simplify right side
    58.69x = 8,275.31
  5. Step 5: Solve for x
    x = 8,275.31/58.69
  6. Step 6: Final answer
    x = 141.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.