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Finding the Third Proportional to 74,226 and 114,955

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Solution

The third proportional to 74,226 and 114,955 is: 178,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,226 : 114,955 = 114,955 : x
  2. Step 2: Convert to fraction form
    74,226/114,955 = 114,955/x
  3. Step 3: Cross multiply
    74,226x = 114,955 × 114,955
  4. Step 4: Simplify right side
    74,226x = 13,214,652,025
  5. Step 5: Solve for x
    x = 13,214,652,025/74,226
  6. Step 6: Final answer
    x = 178,032.66

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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.