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Finding the Third Proportional to 413,194 and 631,663.50

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Solution

The third proportional to 413,194 and 631,663.50 is: 965,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,194 : 631,663.50 = 631,663.50 : x
  2. Step 2: Convert to fraction form
    413,194/631,663.50 = 631,663.50/x
  3. Step 3: Cross multiply
    413,194x = 631,663.50 × 631,663.50
  4. Step 4: Simplify right side
    413,194x = 398,998,777,232.25
  5. Step 5: Solve for x
    x = 398,998,777,232.25/413,194
  6. Step 6: Final answer
    x = 965,645.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.