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Finding the Third Proportional to 202,442 and 432,908

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Solution

The third proportional to 202,442 and 432,908 is: 925,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,442 : 432,908 = 432,908 : x
  2. Step 2: Convert to fraction form
    202,442/432,908 = 432,908/x
  3. Step 3: Cross multiply
    202,442x = 432,908 × 432,908
  4. Step 4: Simplify right side
    202,442x = 187,409,336,464
  5. Step 5: Solve for x
    x = 187,409,336,464/202,442
  6. Step 6: Final answer
    x = 925,743.36

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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.