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Finding the Third Proportional to 73,980.56 and 114,423.75

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Solution

The third proportional to 73,980.56 and 114,423.75 is: 176,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,980.56 : 114,423.75 = 114,423.75 : x
  2. Step 2: Convert to fraction form
    73,980.56/114,423.75 = 114,423.75/x
  3. Step 3: Cross multiply
    73,980.56x = 114,423.75 × 114,423.75
  4. Step 4: Simplify right side
    73,980.56x = 13,092,794,564.06
  5. Step 5: Solve for x
    x = 13,092,794,564.06/73,980.56
  6. Step 6: Final answer
    x = 176,976.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.