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Finding the Third Proportional to 406,998 and 868,032

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Solution

The third proportional to 406,998 and 868,032 is: 1,851,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,998 : 868,032 = 868,032 : x
  2. Step 2: Convert to fraction form
    406,998/868,032 = 868,032/x
  3. Step 3: Cross multiply
    406,998x = 868,032 × 868,032
  4. Step 4: Simplify right side
    406,998x = 753,479,553,024
  5. Step 5: Solve for x
    x = 753,479,553,024/406,998
  6. Step 6: Final answer
    x = 1,851,310.21

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.