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Finding the Third Proportional to 69,090 and 101,367

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Solution

The third proportional to 69,090 and 101,367 is: 148,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,090 : 101,367 = 101,367 : x
  2. Step 2: Convert to fraction form
    69,090/101,367 = 101,367/x
  3. Step 3: Cross multiply
    69,090x = 101,367 × 101,367
  4. Step 4: Simplify right side
    69,090x = 10,275,268,689
  5. Step 5: Solve for x
    x = 10,275,268,689/69,090
  6. Step 6: Final answer
    x = 148,722.95

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.