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Finding the Third Proportional to 118,146 and 255,972

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Solution

The third proportional to 118,146 and 255,972 is: 554,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,146 : 255,972 = 255,972 : x
  2. Step 2: Convert to fraction form
    118,146/255,972 = 255,972/x
  3. Step 3: Cross multiply
    118,146x = 255,972 × 255,972
  4. Step 4: Simplify right side
    118,146x = 65,521,664,784
  5. Step 5: Solve for x
    x = 65,521,664,784/118,146
  6. Step 6: Final answer
    x = 554,582.17

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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.