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Finding the Third Proportional to 48,126 and 74,807

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Solution

The third proportional to 48,126 and 74,807 is: 116,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,126 : 74,807 = 74,807 : x
  2. Step 2: Convert to fraction form
    48,126/74,807 = 74,807/x
  3. Step 3: Cross multiply
    48,126x = 74,807 × 74,807
  4. Step 4: Simplify right side
    48,126x = 5,596,087,249
  5. Step 5: Solve for x
    x = 5,596,087,249/48,126
  6. Step 6: Final answer
    x = 116,279.92

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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.