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Finding the Third Proportional to 74,254 and 155,798

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Solution

The third proportional to 74,254 and 155,798 is: 326,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,254 : 155,798 = 155,798 : x
  2. Step 2: Convert to fraction form
    74,254/155,798 = 155,798/x
  3. Step 3: Cross multiply
    74,254x = 155,798 × 155,798
  4. Step 4: Simplify right side
    74,254x = 24,273,016,804
  5. Step 5: Solve for x
    x = 24,273,016,804/74,254
  6. Step 6: Final answer
    x = 326,891.71

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.