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Finding the Third Proportional to 118,510 and 177,319

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Solution

The third proportional to 118,510 and 177,319 is: 265,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,510 : 177,319 = 177,319 : x
  2. Step 2: Convert to fraction form
    118,510/177,319 = 177,319/x
  3. Step 3: Cross multiply
    118,510x = 177,319 × 177,319
  4. Step 4: Simplify right side
    118,510x = 31,442,027,761
  5. Step 5: Solve for x
    x = 31,442,027,761/118,510
  6. Step 6: Final answer
    x = 265,311.18

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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.