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Finding the Third Proportional to 74,701 and 159,386

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Solution

The third proportional to 74,701 and 159,386 is: 340,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,701 : 159,386 = 159,386 : x
  2. Step 2: Convert to fraction form
    74,701/159,386 = 159,386/x
  3. Step 3: Cross multiply
    74,701x = 159,386 × 159,386
  4. Step 4: Simplify right side
    74,701x = 25,403,896,996
  5. Step 5: Solve for x
    x = 25,403,896,996/74,701
  6. Step 6: Final answer
    x = 340,074.39

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.