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Finding the Third Proportional to 28,088 and 39,516

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Solution

The third proportional to 28,088 and 39,516 is: 55,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088 : 39,516 = 39,516 : x
  2. Step 2: Convert to fraction form
    28,088/39,516 = 39,516/x
  3. Step 3: Cross multiply
    28,088x = 39,516 × 39,516
  4. Step 4: Simplify right side
    28,088x = 1,561,514,256
  5. Step 5: Solve for x
    x = 1,561,514,256/28,088
  6. Step 6: Final answer
    x = 55,593.64

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.