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Finding the Third Proportional to 188,525 and 406,570

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Solution

The third proportional to 188,525 and 406,570 is: 876,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,525 : 406,570 = 406,570 : x
  2. Step 2: Convert to fraction form
    188,525/406,570 = 406,570/x
  3. Step 3: Cross multiply
    188,525x = 406,570 × 406,570
  4. Step 4: Simplify right side
    188,525x = 165,299,164,900
  5. Step 5: Solve for x
    x = 165,299,164,900/188,525
  6. Step 6: Final answer
    x = 876,802.36

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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.