Home / 143,150,745,429.56-311,434,488,981.57

Finding the Third Proportional to 143,150,745,429.56 and 311,434,488,981.57

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Solution

The third proportional to 143,150,745,429.56 and 311,434,488,981.57 is: 677,547,578,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,150,745,429.56 : 311,434,488,981.57 = 311,434,488,981.57 : x
  2. Step 2: Convert to fraction form
    143,150,745,429.56/311,434,488,981.57 = 311,434,488,981.57/x
  3. Step 3: Cross multiply
    143,150,745,429.56x = 311,434,488,981.57 × 311,434,488,981.57
  4. Step 4: Simplify right side
    143,150,745,429.56x = 96,991,440,927,211,644,780,544
  5. Step 5: Solve for x
    x = 96,991,440,927,211,644,780,544/143,150,745,429.56
  6. Step 6: Final answer
    x = 677,547,578,506.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.