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Finding the Third Proportional to 124,392 and 187,485

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Solution

The third proportional to 124,392 and 187,485 is: 282,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,392 : 187,485 = 187,485 : x
  2. Step 2: Convert to fraction form
    124,392/187,485 = 187,485/x
  3. Step 3: Cross multiply
    124,392x = 187,485 × 187,485
  4. Step 4: Simplify right side
    124,392x = 35,150,625,225
  5. Step 5: Solve for x
    x = 35,150,625,225/124,392
  6. Step 6: Final answer
    x = 282,579.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.