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Finding the Third Proportional to 1,118,331,115 and 1,667,798,632.50

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Solution

The third proportional to 1,118,331,115 and 1,667,798,632.50 is: 2,487,234,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,331,115 : 1,667,798,632.50 = 1,667,798,632.50 : x
  2. Step 2: Convert to fraction form
    1,118,331,115/1,667,798,632.50 = 1,667,798,632.50/x
  3. Step 3: Cross multiply
    1,118,331,115x = 1,667,798,632.50 × 1,667,798,632.50
  4. Step 4: Simplify right side
    1,118,331,115x = 2,781,552,278,568,869,888
  5. Step 5: Solve for x
    x = 2,781,552,278,568,869,888/1,118,331,115
  6. Step 6: Final answer
    x = 2,487,234,989.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.