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Finding the Third Proportional to 64,324 and 98,981

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Solution

The third proportional to 64,324 and 98,981 is: 152,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,324 : 98,981 = 98,981 : x
  2. Step 2: Convert to fraction form
    64,324/98,981 = 98,981/x
  3. Step 3: Cross multiply
    64,324x = 98,981 × 98,981
  4. Step 4: Simplify right side
    64,324x = 9,797,238,361
  5. Step 5: Solve for x
    x = 9,797,238,361/64,324
  6. Step 6: Final answer
    x = 152,310.78

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.