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Finding the Third Proportional to 9,228,535 and 19,876,979

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Solution

The third proportional to 9,228,535 and 19,876,979 is: 42,812,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228,535 : 19,876,979 = 19,876,979 : x
  2. Step 2: Convert to fraction form
    9,228,535/19,876,979 = 19,876,979/x
  3. Step 3: Cross multiply
    9,228,535x = 19,876,979 × 19,876,979
  4. Step 4: Simplify right side
    9,228,535x = 395,094,294,166,441
  5. Step 5: Solve for x
    x = 395,094,294,166,441/9,228,535
  6. Step 6: Final answer
    x = 42,812,244.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.