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Finding the Third Proportional to 188,158.50 and 406,986.75

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Solution

The third proportional to 188,158.50 and 406,986.75 is: 880,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,158.50 : 406,986.75 = 406,986.75 : x
  2. Step 2: Convert to fraction form
    188,158.50/406,986.75 = 406,986.75/x
  3. Step 3: Cross multiply
    188,158.50x = 406,986.75 × 406,986.75
  4. Step 4: Simplify right side
    188,158.50x = 165,638,214,675.56
  5. Step 5: Solve for x
    x = 165,638,214,675.56/188,158.50
  6. Step 6: Final answer
    x = 880,312.16

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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.