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Finding the Third Proportional to 153,024 and 331,458

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Solution

The third proportional to 153,024 and 331,458 is: 717,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,024 : 331,458 = 331,458 : x
  2. Step 2: Convert to fraction form
    153,024/331,458 = 331,458/x
  3. Step 3: Cross multiply
    153,024x = 331,458 × 331,458
  4. Step 4: Simplify right side
    153,024x = 109,864,405,764
  5. Step 5: Solve for x
    x = 109,864,405,764/153,024
  6. Step 6: Final answer
    x = 717,955.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.