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Finding the Third Proportional to 13,156 and 28,859

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Solution

The third proportional to 13,156 and 28,859 is: 63,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156 : 28,859 = 28,859 : x
  2. Step 2: Convert to fraction form
    13,156/28,859 = 28,859/x
  3. Step 3: Cross multiply
    13,156x = 28,859 × 28,859
  4. Step 4: Simplify right side
    13,156x = 832,841,881
  5. Step 5: Solve for x
    x = 832,841,881/13,156
  6. Step 6: Final answer
    x = 63,305.10

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.