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Finding the Third Proportional to 66,354.50 and 144,373

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Solution

The third proportional to 66,354.50 and 144,373 is: 314,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,354.50 : 144,373 = 144,373 : x
  2. Step 2: Convert to fraction form
    66,354.50/144,373 = 144,373/x
  3. Step 3: Cross multiply
    66,354.50x = 144,373 × 144,373
  4. Step 4: Simplify right side
    66,354.50x = 20,843,563,129
  5. Step 5: Solve for x
    x = 20,843,563,129/66,354.50
  6. Step 6: Final answer
    x = 314,124.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.