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Finding the Third Proportional to 451,129,663.50 and 717,835,963.50

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Solution

The third proportional to 451,129,663.50 and 717,835,963.50 is: 1,142,218,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,129,663.50 : 717,835,963.50 = 717,835,963.50 : x
  2. Step 2: Convert to fraction form
    451,129,663.50/717,835,963.50 = 717,835,963.50/x
  3. Step 3: Cross multiply
    451,129,663.50x = 717,835,963.50 × 717,835,963.50
  4. Step 4: Simplify right side
    451,129,663.50x = 515,288,470,493,973,312
  5. Step 5: Solve for x
    x = 515,288,470,493,973,312/451,129,663.50
  6. Step 6: Final answer
    x = 1,142,218,107.53

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.