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Finding the Third Proportional to 186,192 and 401,904

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Solution

The third proportional to 186,192 and 401,904 is: 867,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,192 : 401,904 = 401,904 : x
  2. Step 2: Convert to fraction form
    186,192/401,904 = 401,904/x
  3. Step 3: Cross multiply
    186,192x = 401,904 × 401,904
  4. Step 4: Simplify right side
    186,192x = 161,526,825,216
  5. Step 5: Solve for x
    x = 161,526,825,216/186,192
  6. Step 6: Final answer
    x = 867,528.28

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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.