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Finding the Third Proportional to 543,347,122.50 and 847,305,704.25

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Solution

The third proportional to 543,347,122.50 and 847,305,704.25 is: 1,321,304,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,347,122.50 : 847,305,704.25 = 847,305,704.25 : x
  2. Step 2: Convert to fraction form
    543,347,122.50/847,305,704.25 = 847,305,704.25/x
  3. Step 3: Cross multiply
    543,347,122.50x = 847,305,704.25 × 847,305,704.25
  4. Step 4: Simplify right side
    543,347,122.50x = 717,926,956,454,588,416
  5. Step 5: Solve for x
    x = 717,926,956,454,588,416/543,347,122.50
  6. Step 6: Final answer
    x = 1,321,304,423.50

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.