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Finding the Third Proportional to 117,315 and 251,232

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Solution

The third proportional to 117,315 and 251,232 is: 538,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,315 : 251,232 = 251,232 : x
  2. Step 2: Convert to fraction form
    117,315/251,232 = 251,232/x
  3. Step 3: Cross multiply
    117,315x = 251,232 × 251,232
  4. Step 4: Simplify right side
    117,315x = 63,117,517,824
  5. Step 5: Solve for x
    x = 63,117,517,824/117,315
  6. Step 6: Final answer
    x = 538,017.46

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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.