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Finding the Third Proportional to 126,393 and 190,390.50

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Solution

The third proportional to 126,393 and 190,390.50 is: 286,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,393 : 190,390.50 = 190,390.50 : x
  2. Step 2: Convert to fraction form
    126,393/190,390.50 = 190,390.50/x
  3. Step 3: Cross multiply
    126,393x = 190,390.50 × 190,390.50
  4. Step 4: Simplify right side
    126,393x = 36,248,542,490.25
  5. Step 5: Solve for x
    x = 36,248,542,490.25/126,393
  6. Step 6: Final answer
    x = 286,792.33

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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.