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Finding the Third Proportional to 200,007 and 292,112

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Solution

The third proportional to 200,007 and 292,112 is: 426,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,007 : 292,112 = 292,112 : x
  2. Step 2: Convert to fraction form
    200,007/292,112 = 292,112/x
  3. Step 3: Cross multiply
    200,007x = 292,112 × 292,112
  4. Step 4: Simplify right side
    200,007x = 85,329,420,544
  5. Step 5: Solve for x
    x = 85,329,420,544/200,007
  6. Step 6: Final answer
    x = 426,632.17

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.