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Finding the Third Proportional to 644,020 and 946,327

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Solution

The third proportional to 644,020 and 946,327 is: 1,390,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,020 : 946,327 = 946,327 : x
  2. Step 2: Convert to fraction form
    644,020/946,327 = 946,327/x
  3. Step 3: Cross multiply
    644,020x = 946,327 × 946,327
  4. Step 4: Simplify right side
    644,020x = 895,534,790,929
  5. Step 5: Solve for x
    x = 895,534,790,929/644,020
  6. Step 6: Final answer
    x = 1,390,538.79

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.