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Finding the Third Proportional to 72,702.56 and 154,193.63

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Solution

The third proportional to 72,702.56 and 154,193.63 is: 327,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,702.56 : 154,193.63 = 154,193.63 : x
  2. Step 2: Convert to fraction form
    72,702.56/154,193.63 = 154,193.63/x
  3. Step 3: Cross multiply
    72,702.56x = 154,193.63 × 154,193.63
  4. Step 4: Simplify right side
    72,702.56x = 23,775,673,990.64
  5. Step 5: Solve for x
    x = 23,775,673,990.64/72,702.56
  6. Step 6: Final answer
    x = 327,026.63

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.