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Finding the Third Proportional to 191,713.50 and 415,165.50

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Solution

The third proportional to 191,713.50 and 415,165.50 is: 899,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,713.50 : 415,165.50 = 415,165.50 : x
  2. Step 2: Convert to fraction form
    191,713.50/415,165.50 = 415,165.50/x
  3. Step 3: Cross multiply
    191,713.50x = 415,165.50 × 415,165.50
  4. Step 4: Simplify right side
    191,713.50x = 172,362,392,390.25
  5. Step 5: Solve for x
    x = 172,362,392,390.25/191,713.50
  6. Step 6: Final answer
    x = 899,062.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.