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Finding the Third Proportional to 76,808 and 119,210

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Solution

The third proportional to 76,808 and 119,210 is: 185,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,808 : 119,210 = 119,210 : x
  2. Step 2: Convert to fraction form
    76,808/119,210 = 119,210/x
  3. Step 3: Cross multiply
    76,808x = 119,210 × 119,210
  4. Step 4: Simplify right side
    76,808x = 14,211,024,100
  5. Step 5: Solve for x
    x = 14,211,024,100/76,808
  6. Step 6: Final answer
    x = 185,020.10

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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.