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Finding the Third Proportional to 21,130,048 and 31,745,544

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Solution

The third proportional to 21,130,048 and 31,745,544 is: 47,694,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,130,048 : 31,745,544 = 31,745,544 : x
  2. Step 2: Convert to fraction form
    21,130,048/31,745,544 = 31,745,544/x
  3. Step 3: Cross multiply
    21,130,048x = 31,745,544 × 31,745,544
  4. Step 4: Simplify right side
    21,130,048x = 1,007,779,563,855,936
  5. Step 5: Solve for x
    x = 1,007,779,563,855,936/21,130,048
  6. Step 6: Final answer
    x = 47,694,144.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.