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Finding the Third Proportional to 299,164 and 654,644

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Solution

The third proportional to 299,164 and 654,644 is: 1,432,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,164 : 654,644 = 654,644 : x
  2. Step 2: Convert to fraction form
    299,164/654,644 = 654,644/x
  3. Step 3: Cross multiply
    299,164x = 654,644 × 654,644
  4. Step 4: Simplify right side
    299,164x = 428,558,766,736
  5. Step 5: Solve for x
    x = 428,558,766,736/299,164
  6. Step 6: Final answer
    x = 1,432,521.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.