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Finding the Third Proportional to 15,329,938 and 33,381,478

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Solution

The third proportional to 15,329,938 and 33,381,478 is: 72,689,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329,938 : 33,381,478 = 33,381,478 : x
  2. Step 2: Convert to fraction form
    15,329,938/33,381,478 = 33,381,478/x
  3. Step 3: Cross multiply
    15,329,938x = 33,381,478 × 33,381,478
  4. Step 4: Simplify right side
    15,329,938x = 1,114,323,073,464,484
  5. Step 5: Solve for x
    x = 1,114,323,073,464,484/15,329,938
  6. Step 6: Final answer
    x = 72,689,339.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.