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Finding the Third Proportional to 9,778,914 and 21,260,356

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Solution

The third proportional to 9,778,914 and 21,260,356 is: 46,222,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,914 : 21,260,356 = 21,260,356 : x
  2. Step 2: Convert to fraction form
    9,778,914/21,260,356 = 21,260,356/x
  3. Step 3: Cross multiply
    9,778,914x = 21,260,356 × 21,260,356
  4. Step 4: Simplify right side
    9,778,914x = 452,002,737,246,736
  5. Step 5: Solve for x
    x = 452,002,737,246,736/9,778,914
  6. Step 6: Final answer
    x = 46,222,181.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.