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Finding the Third Proportional to 39,360 and 57,576

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Solution

The third proportional to 39,360 and 57,576 is: 84,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,360 : 57,576 = 57,576 : x
  2. Step 2: Convert to fraction form
    39,360/57,576 = 57,576/x
  3. Step 3: Cross multiply
    39,360x = 57,576 × 57,576
  4. Step 4: Simplify right side
    39,360x = 3,314,995,776
  5. Step 5: Solve for x
    x = 3,314,995,776/39,360
  6. Step 6: Final answer
    x = 84,222.45

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.