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Finding the Third Proportional to 92,201.63 and 139,147.88

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Solution

The third proportional to 92,201.63 and 139,147.88 is: 209,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,201.63 : 139,147.88 = 139,147.88 : x
  2. Step 2: Convert to fraction form
    92,201.63/139,147.88 = 139,147.88/x
  3. Step 3: Cross multiply
    92,201.63x = 139,147.88 × 139,147.88
  4. Step 4: Simplify right side
    92,201.63x = 19,362,131,117.02
  5. Step 5: Solve for x
    x = 19,362,131,117.02/92,201.63
  6. Step 6: Final answer
    x = 209,997.72

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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.