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Finding the Third Proportional to 15,974,450 and 34,989,631

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Solution

The third proportional to 15,974,450 and 34,989,631 is: 76,639,526.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,974,450 : 34,989,631 = 34,989,631 : x
  2. Step 2: Convert to fraction form
    15,974,450/34,989,631 = 34,989,631/x
  3. Step 3: Cross multiply
    15,974,450x = 34,989,631 × 34,989,631
  4. Step 4: Simplify right side
    15,974,450x = 1,224,274,277,516,161
  5. Step 5: Solve for x
    x = 1,224,274,277,516,161/15,974,450
  6. Step 6: Final answer
    x = 76,639,526.09

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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.