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Finding the Third Proportional to 104,931 and 158,275

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Solution

The third proportional to 104,931 and 158,275 is: 238,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,931 : 158,275 = 158,275 : x
  2. Step 2: Convert to fraction form
    104,931/158,275 = 158,275/x
  3. Step 3: Cross multiply
    104,931x = 158,275 × 158,275
  4. Step 4: Simplify right side
    104,931x = 25,050,975,625
  5. Step 5: Solve for x
    x = 25,050,975,625/104,931
  6. Step 6: Final answer
    x = 238,737.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.