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Finding the Third Proportional to 99,525,373,816 and 219,337,189,044

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Solution

The third proportional to 99,525,373,816 and 219,337,189,044 is: 483,382,283,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525,373,816 : 219,337,189,044 = 219,337,189,044 : x
  2. Step 2: Convert to fraction form
    99,525,373,816/219,337,189,044 = 219,337,189,044/x
  3. Step 3: Cross multiply
    99,525,373,816x = 219,337,189,044 × 219,337,189,044
  4. Step 4: Simplify right side
    99,525,373,816x = 48,108,802,497,723,391,541,248
  5. Step 5: Solve for x
    x = 48,108,802,497,723,391,541,248/99,525,373,816
  6. Step 6: Final answer
    x = 483,382,283,865.28

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.