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Finding the Third Proportional to 67,718 and 148,560

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Solution

The third proportional to 67,718 and 148,560 is: 325,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,718 : 148,560 = 148,560 : x
  2. Step 2: Convert to fraction form
    67,718/148,560 = 148,560/x
  3. Step 3: Cross multiply
    67,718x = 148,560 × 148,560
  4. Step 4: Simplify right side
    67,718x = 22,070,073,600
  5. Step 5: Solve for x
    x = 22,070,073,600/67,718
  6. Step 6: Final answer
    x = 325,911.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.