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Finding the Third Proportional to 10,364,781 and 21,393,438

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Solution

The third proportional to 10,364,781 and 21,393,438 is: 44,157,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364,781 : 21,393,438 = 21,393,438 : x
  2. Step 2: Convert to fraction form
    10,364,781/21,393,438 = 21,393,438/x
  3. Step 3: Cross multiply
    10,364,781x = 21,393,438 × 21,393,438
  4. Step 4: Simplify right side
    10,364,781x = 457,679,189,459,844
  5. Step 5: Solve for x
    x = 457,679,189,459,844/10,364,781
  6. Step 6: Final answer
    x = 44,157,150.01

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.