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Finding the Third Proportional to 28,455,065 and 62,440,689

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Solution

The third proportional to 28,455,065 and 62,440,689 is: 137,017,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,455,065 : 62,440,689 = 62,440,689 : x
  2. Step 2: Convert to fraction form
    28,455,065/62,440,689 = 62,440,689/x
  3. Step 3: Cross multiply
    28,455,065x = 62,440,689 × 62,440,689
  4. Step 4: Simplify right side
    28,455,065x = 3,898,839,642,794,721
  5. Step 5: Solve for x
    x = 3,898,839,642,794,721/28,455,065
  6. Step 6: Final answer
    x = 137,017,421.78

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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.