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Finding the Third Proportional to 15,974,515 and 34,989,821

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Solution

The third proportional to 15,974,515 and 34,989,821 is: 76,640,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974,515 : 34,989,821 = 34,989,821 : x
  2. Step 2: Convert to fraction form
    15,974,515/34,989,821 = 34,989,821/x
  3. Step 3: Cross multiply
    15,974,515x = 34,989,821 × 34,989,821
  4. Step 4: Simplify right side
    15,974,515x = 1,224,287,573,612,041
  5. Step 5: Solve for x
    x = 1,224,287,573,612,041/15,974,515
  6. Step 6: Final answer
    x = 76,640,046.57

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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.