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Finding the Third Proportional to 68,160 and 103,468

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Solution

The third proportional to 68,160 and 103,468 is: 157,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,160 : 103,468 = 103,468 : x
  2. Step 2: Convert to fraction form
    68,160/103,468 = 103,468/x
  3. Step 3: Cross multiply
    68,160x = 103,468 × 103,468
  4. Step 4: Simplify right side
    68,160x = 10,705,627,024
  5. Step 5: Solve for x
    x = 10,705,627,024/68,160
  6. Step 6: Final answer
    x = 157,066.12

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.