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Finding the Third Proportional to 278,987.50 and 607,797

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Solution

The third proportional to 278,987.50 and 607,797 is: 1,324,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,987.50 : 607,797 = 607,797 : x
  2. Step 2: Convert to fraction form
    278,987.50/607,797 = 607,797/x
  3. Step 3: Cross multiply
    278,987.50x = 607,797 × 607,797
  4. Step 4: Simplify right side
    278,987.50x = 369,417,193,209
  5. Step 5: Solve for x
    x = 369,417,193,209/278,987.50
  6. Step 6: Final answer
    x = 1,324,135.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.