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Finding the Third Proportional to 197,572.50 and 418,654.50

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Solution

The third proportional to 197,572.50 and 418,654.50 is: 887,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,572.50 : 418,654.50 = 418,654.50 : x
  2. Step 2: Convert to fraction form
    197,572.50/418,654.50 = 418,654.50/x
  3. Step 3: Cross multiply
    197,572.50x = 418,654.50 × 418,654.50
  4. Step 4: Simplify right side
    197,572.50x = 175,271,590,370.25
  5. Step 5: Solve for x
    x = 175,271,590,370.25/197,572.50
  6. Step 6: Final answer
    x = 887,125.44

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.