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Finding the Third Proportional to 1,118,670,359.63 and 1,555,421,718

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Solution

The third proportional to 1,118,670,359.63 and 1,555,421,718 is: 2,162,689,571.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,670,359.63 : 1,555,421,718 = 1,555,421,718 : x
  2. Step 2: Convert to fraction form
    1,118,670,359.63/1,555,421,718 = 1,555,421,718/x
  3. Step 3: Cross multiply
    1,118,670,359.63x = 1,555,421,718 × 1,555,421,718
  4. Step 4: Simplify right side
    1,118,670,359.63x = 2,419,336,720,826,071,552
  5. Step 5: Solve for x
    x = 2,419,336,720,826,071,552/1,118,670,359.63
  6. Step 6: Final answer
    x = 2,162,689,571.61

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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.