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Finding the Third Proportional to 120,202 and 258,062

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Solution

The third proportional to 120,202 and 258,062 is: 554,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,202 : 258,062 = 258,062 : x
  2. Step 2: Convert to fraction form
    120,202/258,062 = 258,062/x
  3. Step 3: Cross multiply
    120,202x = 258,062 × 258,062
  4. Step 4: Simplify right side
    120,202x = 66,595,995,844
  5. Step 5: Solve for x
    x = 66,595,995,844/120,202
  6. Step 6: Final answer
    x = 554,034.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.