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Finding the Third Proportional to 905,472 and 1,885,356

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Solution

The third proportional to 905,472 and 1,885,356 is: 3,925,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,472 : 1,885,356 = 1,885,356 : x
  2. Step 2: Convert to fraction form
    905,472/1,885,356 = 1,885,356/x
  3. Step 3: Cross multiply
    905,472x = 1,885,356 × 1,885,356
  4. Step 4: Simplify right side
    905,472x = 3,554,567,246,736
  5. Step 5: Solve for x
    x = 3,554,567,246,736/905,472
  6. Step 6: Final answer
    x = 3,925,651.20

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.