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Finding the Third Proportional to 87,356 and 190,700

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Solution

The third proportional to 87,356 and 190,700 is: 416,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,356 : 190,700 = 190,700 : x
  2. Step 2: Convert to fraction form
    87,356/190,700 = 190,700/x
  3. Step 3: Cross multiply
    87,356x = 190,700 × 190,700
  4. Step 4: Simplify right side
    87,356x = 36,366,490,000
  5. Step 5: Solve for x
    x = 36,366,490,000/87,356
  6. Step 6: Final answer
    x = 416,302.14

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.