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Finding the Third Proportional to 31,044,922.50 and 65,307,309

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Solution

The third proportional to 31,044,922.50 and 65,307,309 is: 137,383,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,044,922.50 : 65,307,309 = 65,307,309 : x
  2. Step 2: Convert to fraction form
    31,044,922.50/65,307,309 = 65,307,309/x
  3. Step 3: Cross multiply
    31,044,922.50x = 65,307,309 × 65,307,309
  4. Step 4: Simplify right side
    31,044,922.50x = 4,265,044,608,821,481
  5. Step 5: Solve for x
    x = 4,265,044,608,821,481/31,044,922.50
  6. Step 6: Final answer
    x = 137,383,000.68

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.