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Finding the Third Proportional to 143,511.75 and 314,234.44

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Solution

The third proportional to 143,511.75 and 314,234.44 is: 688,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,511.75 : 314,234.44 = 314,234.44 : x
  2. Step 2: Convert to fraction form
    143,511.75/314,234.44 = 314,234.44/x
  3. Step 3: Cross multiply
    143,511.75x = 314,234.44 × 314,234.44
  4. Step 4: Simplify right side
    143,511.75x = 98,743,281,710.94
  5. Step 5: Solve for x
    x = 98,743,281,710.94/143,511.75
  6. Step 6: Final answer
    x = 688,050.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.