Home / 1,118,670,359.88-1,555,421,718.38

Finding the Third Proportional to 1,118,670,359.88 and 1,555,421,718.38

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Solution

The third proportional to 1,118,670,359.88 and 1,555,421,718.38 is: 2,162,689,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,670,359.88 : 1,555,421,718.38 = 1,555,421,718.38 : x
  2. Step 2: Convert to fraction form
    1,118,670,359.88/1,555,421,718.38 = 1,555,421,718.38/x
  3. Step 3: Cross multiply
    1,118,670,359.88x = 1,555,421,718.38 × 1,555,421,718.38
  4. Step 4: Simplify right side
    1,118,670,359.88x = 2,419,336,721,992,637,952
  5. Step 5: Solve for x
    x = 2,419,336,721,992,637,952/1,118,670,359.88
  6. Step 6: Final answer
    x = 2,162,689,572.17

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.