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Finding the Third Proportional to 10,490 and 14,232

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Solution

The third proportional to 10,490 and 14,232 is: 19,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490 : 14,232 = 14,232 : x
  2. Step 2: Convert to fraction form
    10,490/14,232 = 14,232/x
  3. Step 3: Cross multiply
    10,490x = 14,232 × 14,232
  4. Step 4: Simplify right side
    10,490x = 202,549,824
  5. Step 5: Solve for x
    x = 202,549,824/10,490
  6. Step 6: Final answer
    x = 19,308.85

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.