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Finding the Third Proportional to 28,160 and 37,928

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Solution

The third proportional to 28,160 and 37,928 is: 51,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,160 : 37,928 = 37,928 : x
  2. Step 2: Convert to fraction form
    28,160/37,928 = 37,928/x
  3. Step 3: Cross multiply
    28,160x = 37,928 × 37,928
  4. Step 4: Simplify right side
    28,160x = 1,438,533,184
  5. Step 5: Solve for x
    x = 1,438,533,184/28,160
  6. Step 6: Final answer
    x = 51,084.28

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.