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Finding the Third Proportional to 30,482.44 and 66,477.94

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Solution

The third proportional to 30,482.44 and 66,477.94 is: 144,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.44 : 66,477.94 = 66,477.94 : x
  2. Step 2: Convert to fraction form
    30,482.44/66,477.94 = 66,477.94/x
  3. Step 3: Cross multiply
    30,482.44x = 66,477.94 × 66,477.94
  4. Step 4: Simplify right side
    30,482.44x = 4,419,316,174.25
  5. Step 5: Solve for x
    x = 4,419,316,174.25/30,482.44
  6. Step 6: Final answer
    x = 144,979.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.