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Finding the Third Proportional to 176,992 and 265,437.38

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Solution

The third proportional to 176,992 and 265,437.38 is: 398,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,992 : 265,437.38 = 265,437.38 : x
  2. Step 2: Convert to fraction form
    176,992/265,437.38 = 265,437.38/x
  3. Step 3: Cross multiply
    176,992x = 265,437.38 × 265,437.38
  4. Step 4: Simplify right side
    176,992x = 70,457,000,046.89
  5. Step 5: Solve for x
    x = 70,457,000,046.89/176,992
  6. Step 6: Final answer
    x = 398,080.14

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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.