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Finding the Third Proportional to 97,405.50 and 209,857

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Solution

The third proportional to 97,405.50 and 209,857 is: 452,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,405.50 : 209,857 = 209,857 : x
  2. Step 2: Convert to fraction form
    97,405.50/209,857 = 209,857/x
  3. Step 3: Cross multiply
    97,405.50x = 209,857 × 209,857
  4. Step 4: Simplify right side
    97,405.50x = 44,039,960,449
  5. Step 5: Solve for x
    x = 44,039,960,449/97,405.50
  6. Step 6: Final answer
    x = 452,130.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.