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Finding the Third Proportional to 4,322,490 and 10,005,783

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Solution

The third proportional to 4,322,490 and 10,005,783 is: 23,161,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322,490 : 10,005,783 = 10,005,783 : x
  2. Step 2: Convert to fraction form
    4,322,490/10,005,783 = 10,005,783/x
  3. Step 3: Cross multiply
    4,322,490x = 10,005,783 × 10,005,783
  4. Step 4: Simplify right side
    4,322,490x = 100,115,693,443,089
  5. Step 5: Solve for x
    x = 100,115,693,443,089/4,322,490
  6. Step 6: Final answer
    x = 23,161,578.96

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.