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Finding the Third Proportional to 136,389.38 and 296,106.75

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Solution

The third proportional to 136,389.38 and 296,106.75 is: 642,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,389.38 : 296,106.75 = 296,106.75 : x
  2. Step 2: Convert to fraction form
    136,389.38/296,106.75 = 296,106.75/x
  3. Step 3: Cross multiply
    136,389.38x = 296,106.75 × 296,106.75
  4. Step 4: Simplify right side
    136,389.38x = 87,679,207,395.56
  5. Step 5: Solve for x
    x = 87,679,207,395.56/136,389.38
  6. Step 6: Final answer
    x = 642,859.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.