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Finding the Third Proportional to 121,846.50 and 253,444.50

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Solution

The third proportional to 121,846.50 and 253,444.50 is: 527,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,846.50 : 253,444.50 = 253,444.50 : x
  2. Step 2: Convert to fraction form
    121,846.50/253,444.50 = 253,444.50/x
  3. Step 3: Cross multiply
    121,846.50x = 253,444.50 × 253,444.50
  4. Step 4: Simplify right side
    121,846.50x = 64,234,114,580.25
  5. Step 5: Solve for x
    x = 64,234,114,580.25/121,846.50
  6. Step 6: Final answer
    x = 527,172.42

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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.