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Finding the Third Proportional to 69,972,458.06 and 151,838,824.50

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Solution

The third proportional to 69,972,458.06 and 151,838,824.50 is: 329,487,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972,458.06 : 151,838,824.50 = 151,838,824.50 : x
  2. Step 2: Convert to fraction form
    69,972,458.06/151,838,824.50 = 151,838,824.50/x
  3. Step 3: Cross multiply
    69,972,458.06x = 151,838,824.50 × 151,838,824.50
  4. Step 4: Simplify right side
    69,972,458.06x = 23,055,028,625,541,800
  5. Step 5: Solve for x
    x = 23,055,028,625,541,800/69,972,458.06
  6. Step 6: Final answer
    x = 329,487,190.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.