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Finding the Third Proportional to 41,972,880 and 61,759,080

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Solution

The third proportional to 41,972,880 and 61,759,080 is: 90,872,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,972,880 : 61,759,080 = 61,759,080 : x
  2. Step 2: Convert to fraction form
    41,972,880/61,759,080 = 61,759,080/x
  3. Step 3: Cross multiply
    41,972,880x = 61,759,080 × 61,759,080
  4. Step 4: Simplify right side
    41,972,880x = 3,814,183,962,446,400
  5. Step 5: Solve for x
    x = 3,814,183,962,446,400/41,972,880
  6. Step 6: Final answer
    x = 90,872,581.59

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.