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Finding the Third Proportional to 555,016 and 1,219,136

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Solution

The third proportional to 555,016 and 1,219,136 is: 2,677,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,016 : 1,219,136 = 1,219,136 : x
  2. Step 2: Convert to fraction form
    555,016/1,219,136 = 1,219,136/x
  3. Step 3: Cross multiply
    555,016x = 1,219,136 × 1,219,136
  4. Step 4: Simplify right side
    555,016x = 1,486,292,586,496
  5. Step 5: Solve for x
    x = 1,486,292,586,496/555,016
  6. Step 6: Final answer
    x = 2,677,927.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.