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Finding the Third Proportional to 238,213.50 and 368,572.50

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Solution

The third proportional to 238,213.50 and 368,572.50 is: 570,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,213.50 : 368,572.50 = 368,572.50 : x
  2. Step 2: Convert to fraction form
    238,213.50/368,572.50 = 368,572.50/x
  3. Step 3: Cross multiply
    238,213.50x = 368,572.50 × 368,572.50
  4. Step 4: Simplify right side
    238,213.50x = 135,845,687,756.25
  5. Step 5: Solve for x
    x = 135,845,687,756.25/238,213.50
  6. Step 6: Final answer
    x = 570,268.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.