Home / 8,836,631,621-13,720,555,207.50

Finding the Third Proportional to 8,836,631,621 and 13,720,555,207.50

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Solution

The third proportional to 8,836,631,621 and 13,720,555,207.50 is: 21,303,777,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836,631,621 : 13,720,555,207.50 = 13,720,555,207.50 : x
  2. Step 2: Convert to fraction form
    8,836,631,621/13,720,555,207.50 = 13,720,555,207.50/x
  3. Step 3: Cross multiply
    8,836,631,621x = 13,720,555,207.50 × 13,720,555,207.50
  4. Step 4: Simplify right side
    8,836,631,621x = 188,253,635,202,055,372,800
  5. Step 5: Solve for x
    x = 188,253,635,202,055,372,800/8,836,631,621
  6. Step 6: Final answer
    x = 21,303,777,646.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.