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Finding the Third Proportional to 197,082 and 432,320

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Solution

The third proportional to 197,082 and 432,320 is: 948,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,082 : 432,320 = 432,320 : x
  2. Step 2: Convert to fraction form
    197,082/432,320 = 432,320/x
  3. Step 3: Cross multiply
    197,082x = 432,320 × 432,320
  4. Step 4: Simplify right side
    197,082x = 186,900,582,400
  5. Step 5: Solve for x
    x = 186,900,582,400/197,082
  6. Step 6: Final answer
    x = 948,339.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.