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Finding the Third Proportional to 119,136 and 259,629

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Solution

The third proportional to 119,136 and 259,629 is: 565,800.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,136 : 259,629 = 259,629 : x
  2. Step 2: Convert to fraction form
    119,136/259,629 = 259,629/x
  3. Step 3: Cross multiply
    119,136x = 259,629 × 259,629
  4. Step 4: Simplify right side
    119,136x = 67,407,217,641
  5. Step 5: Solve for x
    x = 67,407,217,641/119,136
  6. Step 6: Final answer
    x = 565,800.58

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.