Home / 442,111,961,868.75-679,138,060,935.36

Finding the Third Proportional to 442,111,961,868.75 and 679,138,060,935.36

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Solution

The third proportional to 442,111,961,868.75 and 679,138,060,935.36 is: 1,043,239,146,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,111,961,868.75 : 679,138,060,935.36 = 679,138,060,935.36 : x
  2. Step 2: Convert to fraction form
    442,111,961,868.75/679,138,060,935.36 = 679,138,060,935.36/x
  3. Step 3: Cross multiply
    442,111,961,868.75x = 679,138,060,935.36 × 679,138,060,935.36
  4. Step 4: Simplify right side
    442,111,961,868.75x = 461,228,505,811,040,707,018,752
  5. Step 5: Solve for x
    x = 461,228,505,811,040,707,018,752/442,111,961,868.75
  6. Step 6: Final answer
    x = 1,043,239,146,621.34

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.