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Finding the Third Proportional to 13,364 and 19,658

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Solution

The third proportional to 13,364 and 19,658 is: 28,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364 : 19,658 = 19,658 : x
  2. Step 2: Convert to fraction form
    13,364/19,658 = 19,658/x
  3. Step 3: Cross multiply
    13,364x = 19,658 × 19,658
  4. Step 4: Simplify right side
    13,364x = 386,436,964
  5. Step 5: Solve for x
    x = 386,436,964/13,364
  6. Step 6: Final answer
    x = 28,916.26

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.