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Finding the Third Proportional to 35,400 and 53,028

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Solution

The third proportional to 35,400 and 53,028 is: 79,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,400 : 53,028 = 53,028 : x
  2. Step 2: Convert to fraction form
    35,400/53,028 = 53,028/x
  3. Step 3: Cross multiply
    35,400x = 53,028 × 53,028
  4. Step 4: Simplify right side
    35,400x = 2,811,968,784
  5. Step 5: Solve for x
    x = 2,811,968,784/35,400
  6. Step 6: Final answer
    x = 79,434.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.