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Finding the Third Proportional to 158,803.50 and 339,423

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Solution

The third proportional to 158,803.50 and 339,423 is: 725,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,803.50 : 339,423 = 339,423 : x
  2. Step 2: Convert to fraction form
    158,803.50/339,423 = 339,423/x
  3. Step 3: Cross multiply
    158,803.50x = 339,423 × 339,423
  4. Step 4: Simplify right side
    158,803.50x = 115,207,972,929
  5. Step 5: Solve for x
    x = 115,207,972,929/158,803.50
  6. Step 6: Final answer
    x = 725,475.02

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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.