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Finding the Third Proportional to 836,758,876.50 and 1,824,181,438.50

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Solution

The third proportional to 836,758,876.50 and 1,824,181,438.50 is: 3,976,818,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,758,876.50 : 1,824,181,438.50 = 1,824,181,438.50 : x
  2. Step 2: Convert to fraction form
    836,758,876.50/1,824,181,438.50 = 1,824,181,438.50/x
  3. Step 3: Cross multiply
    836,758,876.50x = 1,824,181,438.50 × 1,824,181,438.50
  4. Step 4: Simplify right side
    836,758,876.50x = 3,327,637,920,567,929,344
  5. Step 5: Solve for x
    x = 3,327,637,920,567,929,344/836,758,876.50
  6. Step 6: Final answer
    x = 3,976,818,189.83

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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.