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Finding the Third Proportional to 57,178 and 118,261

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Solution

The third proportional to 57,178 and 118,261 is: 244,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,178 : 118,261 = 118,261 : x
  2. Step 2: Convert to fraction form
    57,178/118,261 = 118,261/x
  3. Step 3: Cross multiply
    57,178x = 118,261 × 118,261
  4. Step 4: Simplify right side
    57,178x = 13,985,664,121
  5. Step 5: Solve for x
    x = 13,985,664,121/57,178
  6. Step 6: Final answer
    x = 244,598.69

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.