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Finding the Third Proportional to 131,148 and 283,234.50

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Solution

The third proportional to 131,148 and 283,234.50 is: 611,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,148 : 283,234.50 = 283,234.50 : x
  2. Step 2: Convert to fraction form
    131,148/283,234.50 = 283,234.50/x
  3. Step 3: Cross multiply
    131,148x = 283,234.50 × 283,234.50
  4. Step 4: Simplify right side
    131,148x = 80,221,781,990.25
  5. Step 5: Solve for x
    x = 80,221,781,990.25/131,148
  6. Step 6: Final answer
    x = 611,688.95

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.