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Finding the Third Proportional to 148,520 and 230,178

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Solution

The third proportional to 148,520 and 230,178 is: 356,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,520 : 230,178 = 230,178 : x
  2. Step 2: Convert to fraction form
    148,520/230,178 = 230,178/x
  3. Step 3: Cross multiply
    148,520x = 230,178 × 230,178
  4. Step 4: Simplify right side
    148,520x = 52,981,911,684
  5. Step 5: Solve for x
    x = 52,981,911,684/148,520
  6. Step 6: Final answer
    x = 356,732.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.