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Finding the Third Proportional to 134,172 and 197,370

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Solution

The third proportional to 134,172 and 197,370 is: 290,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,172 : 197,370 = 197,370 : x
  2. Step 2: Convert to fraction form
    134,172/197,370 = 197,370/x
  3. Step 3: Cross multiply
    134,172x = 197,370 × 197,370
  4. Step 4: Simplify right side
    134,172x = 38,954,916,900
  5. Step 5: Solve for x
    x = 38,954,916,900/134,172
  6. Step 6: Final answer
    x = 290,335.67

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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.