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Finding the Third Proportional to 120,222.63 and 187,612.50

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Solution

The third proportional to 120,222.63 and 187,612.50 is: 292,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,222.63 : 187,612.50 = 187,612.50 : x
  2. Step 2: Convert to fraction form
    120,222.63/187,612.50 = 187,612.50/x
  3. Step 3: Cross multiply
    120,222.63x = 187,612.50 × 187,612.50
  4. Step 4: Simplify right side
    120,222.63x = 35,198,450,156.25
  5. Step 5: Solve for x
    x = 35,198,450,156.25/120,222.63
  6. Step 6: Final answer
    x = 292,777.26

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.