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Finding the Third Proportional to 97,321 and 209,191.50

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Solution

The third proportional to 97,321 and 209,191.50 is: 449,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,321 : 209,191.50 = 209,191.50 : x
  2. Step 2: Convert to fraction form
    97,321/209,191.50 = 209,191.50/x
  3. Step 3: Cross multiply
    97,321x = 209,191.50 × 209,191.50
  4. Step 4: Simplify right side
    97,321x = 43,761,083,672.25
  5. Step 5: Solve for x
    x = 43,761,083,672.25/97,321
  6. Step 6: Final answer
    x = 449,657.15

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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.