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Finding the Third Proportional to 60,364 and 81,979.50

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Solution

The third proportional to 60,364 and 81,979.50 is: 111,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,364 : 81,979.50 = 81,979.50 : x
  2. Step 2: Convert to fraction form
    60,364/81,979.50 = 81,979.50/x
  3. Step 3: Cross multiply
    60,364x = 81,979.50 × 81,979.50
  4. Step 4: Simplify right side
    60,364x = 6,720,638,420.25
  5. Step 5: Solve for x
    x = 6,720,638,420.25/60,364
  6. Step 6: Final answer
    x = 111,335.21

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.