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Finding the Third Proportional to 124,510 and 186,889

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Solution

The third proportional to 124,510 and 186,889 is: 280,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,510 : 186,889 = 186,889 : x
  2. Step 2: Convert to fraction form
    124,510/186,889 = 186,889/x
  3. Step 3: Cross multiply
    124,510x = 186,889 × 186,889
  4. Step 4: Simplify right side
    124,510x = 34,927,498,321
  5. Step 5: Solve for x
    x = 34,927,498,321/124,510
  6. Step 6: Final answer
    x = 280,519.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.