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Finding the Third Proportional to 39,324 and 84,904

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Solution

The third proportional to 39,324 and 84,904 is: 183,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,324 : 84,904 = 84,904 : x
  2. Step 2: Convert to fraction form
    39,324/84,904 = 84,904/x
  3. Step 3: Cross multiply
    39,324x = 84,904 × 84,904
  4. Step 4: Simplify right side
    39,324x = 7,208,689,216
  5. Step 5: Solve for x
    x = 7,208,689,216/39,324
  6. Step 6: Final answer
    x = 183,315.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.