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Finding the Third Proportional to 77,325 and 162,948

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Solution

The third proportional to 77,325 and 162,948 is: 343,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325 : 162,948 = 162,948 : x
  2. Step 2: Convert to fraction form
    77,325/162,948 = 162,948/x
  3. Step 3: Cross multiply
    77,325x = 162,948 × 162,948
  4. Step 4: Simplify right side
    77,325x = 26,552,050,704
  5. Step 5: Solve for x
    x = 26,552,050,704/77,325
  6. Step 6: Final answer
    x = 343,382.49

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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.