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Finding the Third Proportional to 158,764 and 339,354

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Solution

The third proportional to 158,764 and 339,354 is: 725,360.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,764 : 339,354 = 339,354 : x
  2. Step 2: Convert to fraction form
    158,764/339,354 = 339,354/x
  3. Step 3: Cross multiply
    158,764x = 339,354 × 339,354
  4. Step 4: Simplify right side
    158,764x = 115,161,137,316
  5. Step 5: Solve for x
    x = 115,161,137,316/158,764
  6. Step 6: Final answer
    x = 725,360.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.