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Finding the Third Proportional to 4,545,393 and 9,811,830

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Solution

The third proportional to 4,545,393 and 9,811,830 is: 21,180,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545,393 : 9,811,830 = 9,811,830 : x
  2. Step 2: Convert to fraction form
    4,545,393/9,811,830 = 9,811,830/x
  3. Step 3: Cross multiply
    4,545,393x = 9,811,830 × 9,811,830
  4. Step 4: Simplify right side
    4,545,393x = 96,272,007,948,900
  5. Step 5: Solve for x
    x = 96,272,007,948,900/4,545,393
  6. Step 6: Final answer
    x = 21,180,128.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.