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Finding the Third Proportional to 177,312.38 and 266,145.75

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Solution

The third proportional to 177,312.38 and 266,145.75 is: 399,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,312.38 : 266,145.75 = 266,145.75 : x
  2. Step 2: Convert to fraction form
    177,312.38/266,145.75 = 266,145.75/x
  3. Step 3: Cross multiply
    177,312.38x = 266,145.75 × 266,145.75
  4. Step 4: Simplify right side
    177,312.38x = 70,833,560,243.06
  5. Step 5: Solve for x
    x = 70,833,560,243.06/177,312.38
  6. Step 6: Final answer
    x = 399,484.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.