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Finding the Third Proportional to 69,669 and 115,265

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Solution

The third proportional to 69,669 and 115,265 is: 190,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,669 : 115,265 = 115,265 : x
  2. Step 2: Convert to fraction form
    69,669/115,265 = 115,265/x
  3. Step 3: Cross multiply
    69,669x = 115,265 × 115,265
  4. Step 4: Simplify right side
    69,669x = 13,286,020,225
  5. Step 5: Solve for x
    x = 13,286,020,225/69,669
  6. Step 6: Final answer
    x = 190,702.04

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.