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Finding the Third Proportional to 124,426.50 and 188,943.75

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Solution

The third proportional to 124,426.50 and 188,943.75 is: 286,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,426.50 : 188,943.75 = 188,943.75 : x
  2. Step 2: Convert to fraction form
    124,426.50/188,943.75 = 188,943.75/x
  3. Step 3: Cross multiply
    124,426.50x = 188,943.75 × 188,943.75
  4. Step 4: Simplify right side
    124,426.50x = 35,699,740,664.06
  5. Step 5: Solve for x
    x = 35,699,740,664.06/124,426.50
  6. Step 6: Final answer
    x = 286,914.29

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.