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Finding the Third Proportional to 30,116 and 66,048

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Solution

The third proportional to 30,116 and 66,048 is: 144,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116 : 66,048 = 66,048 : x
  2. Step 2: Convert to fraction form
    30,116/66,048 = 66,048/x
  3. Step 3: Cross multiply
    30,116x = 66,048 × 66,048
  4. Step 4: Simplify right side
    30,116x = 4,362,338,304
  5. Step 5: Solve for x
    x = 4,362,338,304/30,116
  6. Step 6: Final answer
    x = 144,851.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.