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Finding the Third Proportional to 199,750 and 429,146

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Solution

The third proportional to 199,750 and 429,146 is: 921,983.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,750 : 429,146 = 429,146 : x
  2. Step 2: Convert to fraction form
    199,750/429,146 = 429,146/x
  3. Step 3: Cross multiply
    199,750x = 429,146 × 429,146
  4. Step 4: Simplify right side
    199,750x = 184,166,289,316
  5. Step 5: Solve for x
    x = 184,166,289,316/199,750
  6. Step 6: Final answer
    x = 921,983.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.