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Finding the Third Proportional to 28,089.28 and 63,969.75

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Solution

The third proportional to 28,089.28 and 63,969.75 is: 145,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.28 : 63,969.75 = 63,969.75 : x
  2. Step 2: Convert to fraction form
    28,089.28/63,969.75 = 63,969.75/x
  3. Step 3: Cross multiply
    28,089.28x = 63,969.75 × 63,969.75
  4. Step 4: Simplify right side
    28,089.28x = 4,092,128,915.06
  5. Step 5: Solve for x
    x = 4,092,128,915.06/28,089.28
  6. Step 6: Final answer
    x = 145,682.93

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.