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Finding the Third Proportional to 143,195 and 282,776

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Solution

The third proportional to 143,195 and 282,776 is: 558,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,195 : 282,776 = 282,776 : x
  2. Step 2: Convert to fraction form
    143,195/282,776 = 282,776/x
  3. Step 3: Cross multiply
    143,195x = 282,776 × 282,776
  4. Step 4: Simplify right side
    143,195x = 79,962,266,176
  5. Step 5: Solve for x
    x = 79,962,266,176/143,195
  6. Step 6: Final answer
    x = 558,415.21

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.