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Finding the Third Proportional to 55,387.50 and 120,800.25

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Solution

The third proportional to 55,387.50 and 120,800.25 is: 263,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,387.50 : 120,800.25 = 120,800.25 : x
  2. Step 2: Convert to fraction form
    55,387.50/120,800.25 = 120,800.25/x
  3. Step 3: Cross multiply
    55,387.50x = 120,800.25 × 120,800.25
  4. Step 4: Simplify right side
    55,387.50x = 14,592,700,400.06
  5. Step 5: Solve for x
    x = 14,592,700,400.06/55,387.50
  6. Step 6: Final answer
    x = 263,465.59

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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.