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Finding the Third Proportional to 98,260.50 and 210,538.50

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Solution

The third proportional to 98,260.50 and 210,538.50 is: 451,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,260.50 : 210,538.50 = 210,538.50 : x
  2. Step 2: Convert to fraction form
    98,260.50/210,538.50 = 210,538.50/x
  3. Step 3: Cross multiply
    98,260.50x = 210,538.50 × 210,538.50
  4. Step 4: Simplify right side
    98,260.50x = 44,326,459,982.25
  5. Step 5: Solve for x
    x = 44,326,459,982.25/98,260.50
  6. Step 6: Final answer
    x = 451,111.69

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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.