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Finding the Third Proportional to 203,844 and 432,356

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Solution

The third proportional to 203,844 and 432,356 is: 917,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,844 : 432,356 = 432,356 : x
  2. Step 2: Convert to fraction form
    203,844/432,356 = 432,356/x
  3. Step 3: Cross multiply
    203,844x = 432,356 × 432,356
  4. Step 4: Simplify right side
    203,844x = 186,931,710,736
  5. Step 5: Solve for x
    x = 186,931,710,736/203,844
  6. Step 6: Final answer
    x = 917,033.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.