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Finding the Third Proportional to 28,457,760 and 62,446,400

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Solution

The third proportional to 28,457,760 and 62,446,400 is: 137,029,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457,760 : 62,446,400 = 62,446,400 : x
  2. Step 2: Convert to fraction form
    28,457,760/62,446,400 = 62,446,400/x
  3. Step 3: Cross multiply
    28,457,760x = 62,446,400 × 62,446,400
  4. Step 4: Simplify right side
    28,457,760x = 3,899,552,872,960,000
  5. Step 5: Solve for x
    x = 3,899,552,872,960,000/28,457,760
  6. Step 6: Final answer
    x = 137,029,508.75

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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.