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Finding the Third Proportional to 74,948 and 112,020

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Solution

The third proportional to 74,948 and 112,020 is: 167,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,948 : 112,020 = 112,020 : x
  2. Step 2: Convert to fraction form
    74,948/112,020 = 112,020/x
  3. Step 3: Cross multiply
    74,948x = 112,020 × 112,020
  4. Step 4: Simplify right side
    74,948x = 12,548,480,400
  5. Step 5: Solve for x
    x = 12,548,480,400/74,948
  6. Step 6: Final answer
    x = 167,429.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.