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Finding the Third Proportional to 219,655,185 and 481,510,722

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Solution

The third proportional to 219,655,185 and 481,510,722 is: 1,055,529,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,655,185 : 481,510,722 = 481,510,722 : x
  2. Step 2: Convert to fraction form
    219,655,185/481,510,722 = 481,510,722/x
  3. Step 3: Cross multiply
    219,655,185x = 481,510,722 × 481,510,722
  4. Step 4: Simplify right side
    219,655,185x = 231,852,575,400,961,280
  5. Step 5: Solve for x
    x = 231,852,575,400,961,280/219,655,185
  6. Step 6: Final answer
    x = 1,055,529,717.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.