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Finding the Third Proportional to 199,588.50 and 219,271.50

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Solution

The third proportional to 199,588.50 and 219,271.50 is: 240,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,588.50 : 219,271.50 = 219,271.50 : x
  2. Step 2: Convert to fraction form
    199,588.50/219,271.50 = 219,271.50/x
  3. Step 3: Cross multiply
    199,588.50x = 219,271.50 × 219,271.50
  4. Step 4: Simplify right side
    199,588.50x = 48,079,990,712.25
  5. Step 5: Solve for x
    x = 48,079,990,712.25/199,588.50
  6. Step 6: Final answer
    x = 240,895.60

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.