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Finding the Third Proportional to 245,584.50 and 542,787

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Solution

The third proportional to 245,584.50 and 542,787 is: 1,199,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,584.50 : 542,787 = 542,787 : x
  2. Step 2: Convert to fraction form
    245,584.50/542,787 = 542,787/x
  3. Step 3: Cross multiply
    245,584.50x = 542,787 × 542,787
  4. Step 4: Simplify right side
    245,584.50x = 294,617,727,369
  5. Step 5: Solve for x
    x = 294,617,727,369/245,584.50
  6. Step 6: Final answer
    x = 1,199,659.29

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.