Home / 217,078,728,406.52-328,410,022,497.40

Finding the Third Proportional to 217,078,728,406.52 and 328,410,022,497.40

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Solution

The third proportional to 217,078,728,406.52 and 328,410,022,497.40 is: 496,838,836,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,078,728,406.52 : 328,410,022,497.40 = 328,410,022,497.40 : x
  2. Step 2: Convert to fraction form
    217,078,728,406.52/328,410,022,497.40 = 328,410,022,497.40/x
  3. Step 3: Cross multiply
    217,078,728,406.52x = 328,410,022,497.40 × 328,410,022,497.40
  4. Step 4: Simplify right side
    217,078,728,406.52x = 107,853,142,876,742,794,346,496
  5. Step 5: Solve for x
    x = 107,853,142,876,742,794,346,496/217,078,728,406.52
  6. Step 6: Final answer
    x = 496,838,836,621.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.