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Finding the Third Proportional to 555,136 and 1,188,943

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Solution

The third proportional to 555,136 and 1,188,943 is: 2,546,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,136 : 1,188,943 = 1,188,943 : x
  2. Step 2: Convert to fraction form
    555,136/1,188,943 = 1,188,943/x
  3. Step 3: Cross multiply
    555,136x = 1,188,943 × 1,188,943
  4. Step 4: Simplify right side
    555,136x = 1,413,585,457,249
  5. Step 5: Solve for x
    x = 1,413,585,457,249/555,136
  6. Step 6: Final answer
    x = 2,546,376.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.