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Finding the Third Proportional to 73,389.80 and 112,453.95

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Solution

The third proportional to 73,389.80 and 112,453.95 is: 172,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,389.80 : 112,453.95 = 112,453.95 : x
  2. Step 2: Convert to fraction form
    73,389.80/112,453.95 = 112,453.95/x
  3. Step 3: Cross multiply
    73,389.80x = 112,453.95 × 112,453.95
  4. Step 4: Simplify right side
    73,389.80x = 12,645,889,816.35
  5. Step 5: Solve for x
    x = 12,645,889,816.35/73,389.80
  6. Step 6: Final answer
    x = 172,311.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.