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Finding the Third Proportional to 30,268.69 and 66,506.06

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Solution

The third proportional to 30,268.69 and 66,506.06 is: 146,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.69 : 66,506.06 = 66,506.06 : x
  2. Step 2: Convert to fraction form
    30,268.69/66,506.06 = 66,506.06/x
  3. Step 3: Cross multiply
    30,268.69x = 66,506.06 × 66,506.06
  4. Step 4: Simplify right side
    30,268.69x = 4,423,056,349.25
  5. Step 5: Solve for x
    x = 4,423,056,349.25/30,268.69
  6. Step 6: Final answer
    x = 146,126.47

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.