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Finding the Third Proportional to 49,149 and 74,130.75

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Solution

The third proportional to 49,149 and 74,130.75 is: 111,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,149 : 74,130.75 = 74,130.75 : x
  2. Step 2: Convert to fraction form
    49,149/74,130.75 = 74,130.75/x
  3. Step 3: Cross multiply
    49,149x = 74,130.75 × 74,130.75
  4. Step 4: Simplify right side
    49,149x = 5,495,368,095.56
  5. Step 5: Solve for x
    x = 5,495,368,095.56/49,149
  6. Step 6: Final answer
    x = 111,810.37

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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.