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Finding the Third Proportional to 199,757 and 432,778

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Solution

The third proportional to 199,757 and 432,778 is: 937,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,757 : 432,778 = 432,778 : x
  2. Step 2: Convert to fraction form
    199,757/432,778 = 432,778/x
  3. Step 3: Cross multiply
    199,757x = 432,778 × 432,778
  4. Step 4: Simplify right side
    199,757x = 187,296,797,284
  5. Step 5: Solve for x
    x = 187,296,797,284/199,757
  6. Step 6: Final answer
    x = 937,623.20

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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.