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Finding the Third Proportional to 250,319 and 387,629

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Solution

The third proportional to 250,319 and 387,629 is: 600,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,319 : 387,629 = 387,629 : x
  2. Step 2: Convert to fraction form
    250,319/387,629 = 387,629/x
  3. Step 3: Cross multiply
    250,319x = 387,629 × 387,629
  4. Step 4: Simplify right side
    250,319x = 150,256,241,641
  5. Step 5: Solve for x
    x = 150,256,241,641/250,319
  6. Step 6: Final answer
    x = 600,259.04

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