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Finding the Third Proportional to 188,346 and 406,572

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Solution

The third proportional to 188,346 and 406,572 is: 877,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,346 : 406,572 = 406,572 : x
  2. Step 2: Convert to fraction form
    188,346/406,572 = 406,572/x
  3. Step 3: Cross multiply
    188,346x = 406,572 × 406,572
  4. Step 4: Simplify right side
    188,346x = 165,300,791,184
  5. Step 5: Solve for x
    x = 165,300,791,184/188,346
  6. Step 6: Final answer
    x = 877,644.29

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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.