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Finding the Third Proportional to 29,892,135 and 64,368,822

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Solution

The third proportional to 29,892,135 and 64,368,822 is: 138,609,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,892,135 : 64,368,822 = 64,368,822 : x
  2. Step 2: Convert to fraction form
    29,892,135/64,368,822 = 64,368,822/x
  3. Step 3: Cross multiply
    29,892,135x = 64,368,822 × 64,368,822
  4. Step 4: Simplify right side
    29,892,135x = 4,143,345,245,667,684
  5. Step 5: Solve for x
    x = 4,143,345,245,667,684/29,892,135
  6. Step 6: Final answer
    x = 138,609,880.01

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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.