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Finding the Third Proportional to 198,841.50 and 301,156.50

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Solution

The third proportional to 198,841.50 and 301,156.50 is: 456,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,841.50 : 301,156.50 = 301,156.50 : x
  2. Step 2: Convert to fraction form
    198,841.50/301,156.50 = 301,156.50/x
  3. Step 3: Cross multiply
    198,841.50x = 301,156.50 × 301,156.50
  4. Step 4: Simplify right side
    198,841.50x = 90,695,237,492.25
  5. Step 5: Solve for x
    x = 90,695,237,492.25/198,841.50
  6. Step 6: Final answer
    x = 456,118.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.