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Finding the Third Proportional to 169,681.50 and 319,059

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Solution

The third proportional to 169,681.50 and 319,059 is: 599,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,681.50 : 319,059 = 319,059 : x
  2. Step 2: Convert to fraction form
    169,681.50/319,059 = 319,059/x
  3. Step 3: Cross multiply
    169,681.50x = 319,059 × 319,059
  4. Step 4: Simplify right side
    169,681.50x = 101,798,645,481
  5. Step 5: Solve for x
    x = 101,798,645,481/169,681.50
  6. Step 6: Final answer
    x = 599,939.57

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.