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Finding the Third Proportional to 13,690 and 29,323

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Solution

The third proportional to 13,690 and 29,323 is: 62,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690 : 29,323 = 29,323 : x
  2. Step 2: Convert to fraction form
    13,690/29,323 = 29,323/x
  3. Step 3: Cross multiply
    13,690x = 29,323 × 29,323
  4. Step 4: Simplify right side
    13,690x = 859,838,329
  5. Step 5: Solve for x
    x = 859,838,329/13,690
  6. Step 6: Final answer
    x = 62,807.77

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.