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Finding the Third Proportional to 186,952 and 407,738

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Solution

The third proportional to 186,952 and 407,738 is: 889,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,952 : 407,738 = 407,738 : x
  2. Step 2: Convert to fraction form
    186,952/407,738 = 407,738/x
  3. Step 3: Cross multiply
    186,952x = 407,738 × 407,738
  4. Step 4: Simplify right side
    186,952x = 166,250,276,644
  5. Step 5: Solve for x
    x = 166,250,276,644/186,952
  6. Step 6: Final answer
    x = 889,267.17

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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.