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Finding the Third Proportional to 77,277.38 and 162,857.25

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Solution

The third proportional to 77,277.38 and 162,857.25 is: 343,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,277.38 : 162,857.25 = 162,857.25 : x
  2. Step 2: Convert to fraction form
    77,277.38/162,857.25 = 162,857.25/x
  3. Step 3: Cross multiply
    77,277.38x = 162,857.25 × 162,857.25
  4. Step 4: Simplify right side
    77,277.38x = 26,522,483,877.56
  5. Step 5: Solve for x
    x = 26,522,483,877.56/77,277.38
  6. Step 6: Final answer
    x = 343,211.50

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.