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Finding the Third Proportional to 143,127 and 308,579.63

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Solution

The third proportional to 143,127 and 308,579.63 is: 665,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,127 : 308,579.63 = 308,579.63 : x
  2. Step 2: Convert to fraction form
    143,127/308,579.63 = 308,579.63/x
  3. Step 3: Cross multiply
    143,127x = 308,579.63 × 308,579.63
  4. Step 4: Simplify right side
    143,127x = 95,221,384,965.14
  5. Step 5: Solve for x
    x = 95,221,384,965.14/143,127
  6. Step 6: Final answer
    x = 665,292.96

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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.