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Finding the Third Proportional to 140,258 and 197,283

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Solution

The third proportional to 140,258 and 197,283 is: 277,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,258 : 197,283 = 197,283 : x
  2. Step 2: Convert to fraction form
    140,258/197,283 = 197,283/x
  3. Step 3: Cross multiply
    140,258x = 197,283 × 197,283
  4. Step 4: Simplify right side
    140,258x = 38,920,582,089
  5. Step 5: Solve for x
    x = 38,920,582,089/140,258
  6. Step 6: Final answer
    x = 277,492.78

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.