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Finding the Third Proportional to 48,516 and 74,768

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Solution

The third proportional to 48,516 and 74,768 is: 115,224.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,516 : 74,768 = 74,768 : x
  2. Step 2: Convert to fraction form
    48,516/74,768 = 74,768/x
  3. Step 3: Cross multiply
    48,516x = 74,768 × 74,768
  4. Step 4: Simplify right side
    48,516x = 5,590,253,824
  5. Step 5: Solve for x
    x = 5,590,253,824/48,516
  6. Step 6: Final answer
    x = 115,224.95

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.