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Finding the Third Proportional to 28,403,131 and 62,120,653

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Solution

The third proportional to 28,403,131 and 62,120,653 is: 135,864,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,131 : 62,120,653 = 62,120,653 : x
  2. Step 2: Convert to fraction form
    28,403,131/62,120,653 = 62,120,653/x
  3. Step 3: Cross multiply
    28,403,131x = 62,120,653 × 62,120,653
  4. Step 4: Simplify right side
    28,403,131x = 3,858,975,529,146,409
  5. Step 5: Solve for x
    x = 3,858,975,529,146,409/28,403,131
  6. Step 6: Final answer
    x = 135,864,441.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.