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Finding the Third Proportional to 186,312 and 366,974

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Solution

The third proportional to 186,312 and 366,974 is: 722,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,312 : 366,974 = 366,974 : x
  2. Step 2: Convert to fraction form
    186,312/366,974 = 366,974/x
  3. Step 3: Cross multiply
    186,312x = 366,974 × 366,974
  4. Step 4: Simplify right side
    186,312x = 134,669,916,676
  5. Step 5: Solve for x
    x = 134,669,916,676/186,312
  6. Step 6: Final answer
    x = 722,819.34

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.