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Finding the Third Proportional to 303,554 and 666,157

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Solution

The third proportional to 303,554 and 666,157 is: 1,461,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,554 : 666,157 = 666,157 : x
  2. Step 2: Convert to fraction form
    303,554/666,157 = 666,157/x
  3. Step 3: Cross multiply
    303,554x = 666,157 × 666,157
  4. Step 4: Simplify right side
    303,554x = 443,765,148,649
  5. Step 5: Solve for x
    x = 443,765,148,649/303,554
  6. Step 6: Final answer
    x = 1,461,898.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.