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Finding the Third Proportional to 77,210 and 167,956

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Solution

The third proportional to 77,210 and 167,956 is: 365,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,210 : 167,956 = 167,956 : x
  2. Step 2: Convert to fraction form
    77,210/167,956 = 167,956/x
  3. Step 3: Cross multiply
    77,210x = 167,956 × 167,956
  4. Step 4: Simplify right side
    77,210x = 28,209,217,936
  5. Step 5: Solve for x
    x = 28,209,217,936/77,210
  6. Step 6: Final answer
    x = 365,357.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.