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Finding the Third Proportional to 68,460 and 148,152

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Solution

The third proportional to 68,460 and 148,152 is: 320,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,460 : 148,152 = 148,152 : x
  2. Step 2: Convert to fraction form
    68,460/148,152 = 148,152/x
  3. Step 3: Cross multiply
    68,460x = 148,152 × 148,152
  4. Step 4: Simplify right side
    68,460x = 21,949,015,104
  5. Step 5: Solve for x
    x = 21,949,015,104/68,460
  6. Step 6: Final answer
    x = 320,610.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.