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Finding the Third Proportional to 188,341.50 and 406,558.50

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Solution

The third proportional to 188,341.50 and 406,558.50 is: 877,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,341.50 : 406,558.50 = 406,558.50 : x
  2. Step 2: Convert to fraction form
    188,341.50/406,558.50 = 406,558.50/x
  3. Step 3: Cross multiply
    188,341.50x = 406,558.50 × 406,558.50
  4. Step 4: Simplify right side
    188,341.50x = 165,289,813,922.25
  5. Step 5: Solve for x
    x = 165,289,813,922.25/188,341.50
  6. Step 6: Final answer
    x = 877,606.97

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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.