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Finding the Third Proportional to 91,312.50 and 199,234.50

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Solution

The third proportional to 91,312.50 and 199,234.50 is: 434,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,312.50 : 199,234.50 = 199,234.50 : x
  2. Step 2: Convert to fraction form
    91,312.50/199,234.50 = 199,234.50/x
  3. Step 3: Cross multiply
    91,312.50x = 199,234.50 × 199,234.50
  4. Step 4: Simplify right side
    91,312.50x = 39,694,385,990.25
  5. Step 5: Solve for x
    x = 39,694,385,990.25/91,312.50
  6. Step 6: Final answer
    x = 434,709.22

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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.