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Finding the Third Proportional to 352,620 and 761,344

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Solution

The third proportional to 352,620 and 761,344 is: 1,643,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,620 : 761,344 = 761,344 : x
  2. Step 2: Convert to fraction form
    352,620/761,344 = 761,344/x
  3. Step 3: Cross multiply
    352,620x = 761,344 × 761,344
  4. Step 4: Simplify right side
    352,620x = 579,644,686,336
  5. Step 5: Solve for x
    x = 579,644,686,336/352,620
  6. Step 6: Final answer
    x = 1,643,822.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.