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Finding the Third Proportional to 153,242 and 230,074

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Solution

The third proportional to 153,242 and 230,074 is: 345,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,242 : 230,074 = 230,074 : x
  2. Step 2: Convert to fraction form
    153,242/230,074 = 230,074/x
  3. Step 3: Cross multiply
    153,242x = 230,074 × 230,074
  4. Step 4: Simplify right side
    153,242x = 52,934,045,476
  5. Step 5: Solve for x
    x = 52,934,045,476/153,242
  6. Step 6: Final answer
    x = 345,427.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.