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Finding the Third Proportional to 99,774 and 146,742.75

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Solution

The third proportional to 99,774 and 146,742.75 is: 215,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,774 : 146,742.75 = 146,742.75 : x
  2. Step 2: Convert to fraction form
    99,774/146,742.75 = 146,742.75/x
  3. Step 3: Cross multiply
    99,774x = 146,742.75 × 146,742.75
  4. Step 4: Simplify right side
    99,774x = 21,533,434,677.56
  5. Step 5: Solve for x
    x = 21,533,434,677.56/99,774
  6. Step 6: Final answer
    x = 215,822.10

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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.