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Finding the Third Proportional to 13,232 and 19,490

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Solution

The third proportional to 13,232 and 19,490 is: 28,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232 : 19,490 = 19,490 : x
  2. Step 2: Convert to fraction form
    13,232/19,490 = 19,490/x
  3. Step 3: Cross multiply
    13,232x = 19,490 × 19,490
  4. Step 4: Simplify right side
    13,232x = 379,860,100
  5. Step 5: Solve for x
    x = 379,860,100/13,232
  6. Step 6: Final answer
    x = 28,707.69

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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.