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Finding the Third Proportional to 69,427.13 and 151,287.75

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Solution

The third proportional to 69,427.13 and 151,287.75 is: 329,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,427.13 : 151,287.75 = 151,287.75 : x
  2. Step 2: Convert to fraction form
    69,427.13/151,287.75 = 151,287.75/x
  3. Step 3: Cross multiply
    69,427.13x = 151,287.75 × 151,287.75
  4. Step 4: Simplify right side
    69,427.13x = 22,887,983,300.06
  5. Step 5: Solve for x
    x = 22,887,983,300.06/69,427.13
  6. Step 6: Final answer
    x = 329,669.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.