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Finding the Third Proportional to 98,257.50 and 210,521.25

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Solution

The third proportional to 98,257.50 and 210,521.25 is: 451,051.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257.50 : 210,521.25 = 210,521.25 : x
  2. Step 2: Convert to fraction form
    98,257.50/210,521.25 = 210,521.25/x
  3. Step 3: Cross multiply
    98,257.50x = 210,521.25 × 210,521.25
  4. Step 4: Simplify right side
    98,257.50x = 44,319,196,701.56
  5. Step 5: Solve for x
    x = 44,319,196,701.56/98,257.50
  6. Step 6: Final answer
    x = 451,051.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.