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Finding the Third Proportional to 124,500 and 186,840

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Solution

The third proportional to 124,500 and 186,840 is: 280,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,500 : 186,840 = 186,840 : x
  2. Step 2: Convert to fraction form
    124,500/186,840 = 186,840/x
  3. Step 3: Cross multiply
    124,500x = 186,840 × 186,840
  4. Step 4: Simplify right side
    124,500x = 34,909,185,600
  5. Step 5: Solve for x
    x = 34,909,185,600/124,500
  6. Step 6: Final answer
    x = 280,395.07

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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.