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Finding the Third Proportional to 199,830 and 425,094

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Solution

The third proportional to 199,830 and 425,094 is: 904,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,830 : 425,094 = 425,094 : x
  2. Step 2: Convert to fraction form
    199,830/425,094 = 425,094/x
  3. Step 3: Cross multiply
    199,830x = 425,094 × 425,094
  4. Step 4: Simplify right side
    199,830x = 180,704,908,836
  5. Step 5: Solve for x
    x = 180,704,908,836/199,830
  6. Step 6: Final answer
    x = 904,293.19

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.