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Finding the Third Proportional to 186,945.75 and 407,727

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Solution

The third proportional to 186,945.75 and 407,727 is: 889,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,945.75 : 407,727 = 407,727 : x
  2. Step 2: Convert to fraction form
    186,945.75/407,727 = 407,727/x
  3. Step 3: Cross multiply
    186,945.75x = 407,727 × 407,727
  4. Step 4: Simplify right side
    186,945.75x = 166,241,306,529
  5. Step 5: Solve for x
    x = 166,241,306,529/186,945.75
  6. Step 6: Final answer
    x = 889,248.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.