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Finding the Third Proportional to 15,921,312 and 34,545,756

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Solution

The third proportional to 15,921,312 and 34,545,756 is: 74,956,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921,312 : 34,545,756 = 34,545,756 : x
  2. Step 2: Convert to fraction form
    15,921,312/34,545,756 = 34,545,756/x
  3. Step 3: Cross multiply
    15,921,312x = 34,545,756 × 34,545,756
  4. Step 4: Simplify right side
    15,921,312x = 1,193,409,257,611,536
  5. Step 5: Solve for x
    x = 1,193,409,257,611,536/15,921,312
  6. Step 6: Final answer
    x = 74,956,715.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.