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Finding the Third Proportional to 98,848.50 and 205,889

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Solution

The third proportional to 98,848.50 and 205,889 is: 428,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,848.50 : 205,889 = 205,889 : x
  2. Step 2: Convert to fraction form
    98,848.50/205,889 = 205,889/x
  3. Step 3: Cross multiply
    98,848.50x = 205,889 × 205,889
  4. Step 4: Simplify right side
    98,848.50x = 42,390,280,321
  5. Step 5: Solve for x
    x = 42,390,280,321/98,848.50
  6. Step 6: Final answer
    x = 428,840.91

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.