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Finding the Third Proportional to 118,392 and 260,112

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Solution

The third proportional to 118,392 and 260,112 is: 571,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,392 : 260,112 = 260,112 : x
  2. Step 2: Convert to fraction form
    118,392/260,112 = 260,112/x
  3. Step 3: Cross multiply
    118,392x = 260,112 × 260,112
  4. Step 4: Simplify right side
    118,392x = 67,658,252,544
  5. Step 5: Solve for x
    x = 67,658,252,544/118,392
  6. Step 6: Final answer
    x = 571,476.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.