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Finding the Third Proportional to 49,104 and 74,208

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Solution

The third proportional to 49,104 and 74,208 is: 112,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,104 : 74,208 = 74,208 : x
  2. Step 2: Convert to fraction form
    49,104/74,208 = 74,208/x
  3. Step 3: Cross multiply
    49,104x = 74,208 × 74,208
  4. Step 4: Simplify right side
    49,104x = 5,506,827,264
  5. Step 5: Solve for x
    x = 5,506,827,264/49,104
  6. Step 6: Final answer
    x = 112,146.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.