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Finding the Third Proportional to 99,604 and 147,992

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Solution

The third proportional to 99,604 and 147,992 is: 219,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,604 : 147,992 = 147,992 : x
  2. Step 2: Convert to fraction form
    99,604/147,992 = 147,992/x
  3. Step 3: Cross multiply
    99,604x = 147,992 × 147,992
  4. Step 4: Simplify right side
    99,604x = 21,901,632,064
  5. Step 5: Solve for x
    x = 21,901,632,064/99,604
  6. Step 6: Final answer
    x = 219,887.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.