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Finding the Third Proportional to 30,322 and 65,576

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Solution

The third proportional to 30,322 and 65,576 is: 141,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,322 : 65,576 = 65,576 : x
  2. Step 2: Convert to fraction form
    30,322/65,576 = 65,576/x
  3. Step 3: Cross multiply
    30,322x = 65,576 × 65,576
  4. Step 4: Simplify right side
    30,322x = 4,300,211,776
  5. Step 5: Solve for x
    x = 4,300,211,776/30,322
  6. Step 6: Final answer
    x = 141,818.21

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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.