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Finding the Third Proportional to 543,347,554.50 and 847,306,338.75

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Solution

The third proportional to 543,347,554.50 and 847,306,338.75 is: 1,321,305,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,347,554.50 : 847,306,338.75 = 847,306,338.75 : x
  2. Step 2: Convert to fraction form
    543,347,554.50/847,306,338.75 = 847,306,338.75/x
  3. Step 3: Cross multiply
    543,347,554.50x = 847,306,338.75 × 847,306,338.75
  4. Step 4: Simplify right side
    543,347,554.50x = 717,928,031,685,929,728
  5. Step 5: Solve for x
    x = 717,928,031,685,929,728/543,347,554.50
  6. Step 6: Final answer
    x = 1,321,305,351.87

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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.