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Finding the Third Proportional to 140,908 and 293,454

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Solution

The third proportional to 140,908 and 293,454 is: 611,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,908 : 293,454 = 293,454 : x
  2. Step 2: Convert to fraction form
    140,908/293,454 = 293,454/x
  3. Step 3: Cross multiply
    140,908x = 293,454 × 293,454
  4. Step 4: Simplify right side
    140,908x = 86,115,250,116
  5. Step 5: Solve for x
    x = 86,115,250,116/140,908
  6. Step 6: Final answer
    x = 611,145.22

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.