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Finding the Third Proportional to 15,974,549 and 34,989,831

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Solution

The third proportional to 15,974,549 and 34,989,831 is: 76,639,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974,549 : 34,989,831 = 34,989,831 : x
  2. Step 2: Convert to fraction form
    15,974,549/34,989,831 = 34,989,831/x
  3. Step 3: Cross multiply
    15,974,549x = 34,989,831 × 34,989,831
  4. Step 4: Simplify right side
    15,974,549x = 1,224,288,273,408,561
  5. Step 5: Solve for x
    x = 1,224,288,273,408,561/15,974,549
  6. Step 6: Final answer
    x = 76,639,927.26

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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.