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Finding the Third Proportional to 60,381 and 79,423.50

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Solution

The third proportional to 60,381 and 79,423.50 is: 104,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,381 : 79,423.50 = 79,423.50 : x
  2. Step 2: Convert to fraction form
    60,381/79,423.50 = 79,423.50/x
  3. Step 3: Cross multiply
    60,381x = 79,423.50 × 79,423.50
  4. Step 4: Simplify right side
    60,381x = 6,308,092,352.25
  5. Step 5: Solve for x
    x = 6,308,092,352.25/60,381
  6. Step 6: Final answer
    x = 104,471.48

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.