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Finding the Third Proportional to 718,305 and 1,071,228

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Solution

The third proportional to 718,305 and 1,071,228 is: 1,597,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,305 : 1,071,228 = 1,071,228 : x
  2. Step 2: Convert to fraction form
    718,305/1,071,228 = 1,071,228/x
  3. Step 3: Cross multiply
    718,305x = 1,071,228 × 1,071,228
  4. Step 4: Simplify right side
    718,305x = 1,147,529,427,984
  5. Step 5: Solve for x
    x = 1,147,529,427,984/718,305
  6. Step 6: Final answer
    x = 1,597,551.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.