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Finding the Third Proportional to 154,130 and 230,155

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Solution

The third proportional to 154,130 and 230,155 is: 343,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,130 : 230,155 = 230,155 : x
  2. Step 2: Convert to fraction form
    154,130/230,155 = 230,155/x
  3. Step 3: Cross multiply
    154,130x = 230,155 × 230,155
  4. Step 4: Simplify right side
    154,130x = 52,971,324,025
  5. Step 5: Solve for x
    x = 52,971,324,025/154,130
  6. Step 6: Final answer
    x = 343,679.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.