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Finding the Third Proportional to 69,192,907.17 and 152,489,529.28

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Solution

The third proportional to 69,192,907.17 and 152,489,529.28 is: 336,061,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192,907.17 : 152,489,529.28 = 152,489,529.28 : x
  2. Step 2: Convert to fraction form
    69,192,907.17/152,489,529.28 = 152,489,529.28/x
  3. Step 3: Cross multiply
    69,192,907.17x = 152,489,529.28 × 152,489,529.28
  4. Step 4: Simplify right side
    69,192,907.17x = 23,253,056,540,417,200
  5. Step 5: Solve for x
    x = 23,253,056,540,417,200/69,192,907.17
  6. Step 6: Final answer
    x = 336,061,274.06

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.