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Finding the Third Proportional to 195,705 and 302,399

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Solution

The third proportional to 195,705 and 302,399 is: 467,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,705 : 302,399 = 302,399 : x
  2. Step 2: Convert to fraction form
    195,705/302,399 = 302,399/x
  3. Step 3: Cross multiply
    195,705x = 302,399 × 302,399
  4. Step 4: Simplify right side
    195,705x = 91,445,155,201
  5. Step 5: Solve for x
    x = 91,445,155,201/195,705
  6. Step 6: Final answer
    x = 467,260.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.