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Finding the Third Proportional to 62,990.16 and 94,770

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Solution

The third proportional to 62,990.16 and 94,770 is: 142,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,990.16 : 94,770 = 94,770 : x
  2. Step 2: Convert to fraction form
    62,990.16/94,770 = 94,770/x
  3. Step 3: Cross multiply
    62,990.16x = 94,770 × 94,770
  4. Step 4: Simplify right side
    62,990.16x = 8,981,352,900
  5. Step 5: Solve for x
    x = 8,981,352,900/62,990.16
  6. Step 6: Final answer
    x = 142,583.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.