Home / 212,443,665.75-457,172,410.50

Finding the Third Proportional to 212,443,665.75 and 457,172,410.50

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Solution

The third proportional to 212,443,665.75 and 457,172,410.50 is: 983,821,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,443,665.75 : 457,172,410.50 = 457,172,410.50 : x
  2. Step 2: Convert to fraction form
    212,443,665.75/457,172,410.50 = 457,172,410.50/x
  3. Step 3: Cross multiply
    212,443,665.75x = 457,172,410.50 × 457,172,410.50
  4. Step 4: Simplify right side
    212,443,665.75x = 209,006,612,922,380,512
  5. Step 5: Solve for x
    x = 209,006,612,922,380,512/212,443,665.75
  6. Step 6: Final answer
    x = 983,821,344.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.