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Finding the Third Proportional to 134,488 and 197,838

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Solution

The third proportional to 134,488 and 197,838 is: 291,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,488 : 197,838 = 197,838 : x
  2. Step 2: Convert to fraction form
    134,488/197,838 = 197,838/x
  3. Step 3: Cross multiply
    134,488x = 197,838 × 197,838
  4. Step 4: Simplify right side
    134,488x = 39,139,874,244
  5. Step 5: Solve for x
    x = 39,139,874,244/134,488
  6. Step 6: Final answer
    x = 291,028.75

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.