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Finding the Third Proportional to 28,121,806 and 43,827,063

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Solution

The third proportional to 28,121,806 and 43,827,063 is: 68,303,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,121,806 : 43,827,063 = 43,827,063 : x
  2. Step 2: Convert to fraction form
    28,121,806/43,827,063 = 43,827,063/x
  3. Step 3: Cross multiply
    28,121,806x = 43,827,063 × 43,827,063
  4. Step 4: Simplify right side
    28,121,806x = 1,920,811,451,205,969
  5. Step 5: Solve for x
    x = 1,920,811,451,205,969/28,121,806
  6. Step 6: Final answer
    x = 68,303,275.09

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.