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Finding the Third Proportional to 60,511.50 and 84,636

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Solution

The third proportional to 60,511.50 and 84,636 is: 118,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,511.50 : 84,636 = 84,636 : x
  2. Step 2: Convert to fraction form
    60,511.50/84,636 = 84,636/x
  3. Step 3: Cross multiply
    60,511.50x = 84,636 × 84,636
  4. Step 4: Simplify right side
    60,511.50x = 7,163,252,496
  5. Step 5: Solve for x
    x = 7,163,252,496/60,511.50
  6. Step 6: Final answer
    x = 118,378.37

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.