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Finding the Third Proportional to 216,859,494.75 and 330,373,896.25

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Solution

The third proportional to 216,859,494.75 and 330,373,896.25 is: 503,307,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,859,494.75 : 330,373,896.25 = 330,373,896.25 : x
  2. Step 2: Convert to fraction form
    216,859,494.75/330,373,896.25 = 330,373,896.25/x
  3. Step 3: Cross multiply
    216,859,494.75x = 330,373,896.25 × 330,373,896.25
  4. Step 4: Simplify right side
    216,859,494.75x = 109,146,911,323,405,760
  5. Step 5: Solve for x
    x = 109,146,911,323,405,760/216,859,494.75
  6. Step 6: Final answer
    x = 503,307,044.26

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.