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Finding the Third Proportional to 13,425,888 and 20,648,544

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Solution

The third proportional to 13,425,888 and 20,648,544 is: 31,756,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425,888 : 20,648,544 = 20,648,544 : x
  2. Step 2: Convert to fraction form
    13,425,888/20,648,544 = 20,648,544/x
  3. Step 3: Cross multiply
    13,425,888x = 20,648,544 × 20,648,544
  4. Step 4: Simplify right side
    13,425,888x = 426,362,369,319,936
  5. Step 5: Solve for x
    x = 426,362,369,319,936/13,425,888
  6. Step 6: Final answer
    x = 31,756,735.15

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.