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Finding the Third Proportional to 75,870 and 119,001

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Solution

The third proportional to 75,870 and 119,001 is: 186,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,870 : 119,001 = 119,001 : x
  2. Step 2: Convert to fraction form
    75,870/119,001 = 119,001/x
  3. Step 3: Cross multiply
    75,870x = 119,001 × 119,001
  4. Step 4: Simplify right side
    75,870x = 14,161,238,001
  5. Step 5: Solve for x
    x = 14,161,238,001/75,870
  6. Step 6: Final answer
    x = 186,651.35

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.