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Finding the Third Proportional to 13,810 and 19,572

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Solution

The third proportional to 13,810 and 19,572 is: 27,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810 : 19,572 = 19,572 : x
  2. Step 2: Convert to fraction form
    13,810/19,572 = 19,572/x
  3. Step 3: Cross multiply
    13,810x = 19,572 × 19,572
  4. Step 4: Simplify right side
    13,810x = 383,063,184
  5. Step 5: Solve for x
    x = 383,063,184/13,810
  6. Step 6: Final answer
    x = 27,738.10

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.