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Finding the Third Proportional to 250,036.88 and 387,266.06

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Solution

The third proportional to 250,036.88 and 387,266.06 is: 599,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,036.88 : 387,266.06 = 387,266.06 : x
  2. Step 2: Convert to fraction form
    250,036.88/387,266.06 = 387,266.06/x
  3. Step 3: Cross multiply
    250,036.88x = 387,266.06 × 387,266.06
  4. Step 4: Simplify right side
    250,036.88x = 149,975,003,164.25
  5. Step 5: Solve for x
    x = 149,975,003,164.25/250,036.88
  6. Step 6: Final answer
    x = 599,811.54

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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.