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Finding the Third Proportional to 64,591.50 and 94,974

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Solution

The third proportional to 64,591.50 and 94,974 is: 139,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,591.50 : 94,974 = 94,974 : x
  2. Step 2: Convert to fraction form
    64,591.50/94,974 = 94,974/x
  3. Step 3: Cross multiply
    64,591.50x = 94,974 × 94,974
  4. Step 4: Simplify right side
    64,591.50x = 9,020,060,676
  5. Step 5: Solve for x
    x = 9,020,060,676/64,591.50
  6. Step 6: Final answer
    x = 139,647.80

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.