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Finding the Third Proportional to 30,548 and 66,064

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Solution

The third proportional to 30,548 and 66,064 is: 142,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,548 : 66,064 = 66,064 : x
  2. Step 2: Convert to fraction form
    30,548/66,064 = 66,064/x
  3. Step 3: Cross multiply
    30,548x = 66,064 × 66,064
  4. Step 4: Simplify right side
    30,548x = 4,364,452,096
  5. Step 5: Solve for x
    x = 4,364,452,096/30,548
  6. Step 6: Final answer
    x = 142,871.94

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.