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Finding the Third Proportional to 202,436 and 432,897

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Solution

The third proportional to 202,436 and 432,897 is: 925,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,436 : 432,897 = 432,897 : x
  2. Step 2: Convert to fraction form
    202,436/432,897 = 432,897/x
  3. Step 3: Cross multiply
    202,436x = 432,897 × 432,897
  4. Step 4: Simplify right side
    202,436x = 187,399,812,609
  5. Step 5: Solve for x
    x = 187,399,812,609/202,436
  6. Step 6: Final answer
    x = 925,723.75

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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.