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Finding the Third Proportional to 28,328,484 and 62,611,689

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Solution

The third proportional to 28,328,484 and 62,611,689 is: 138,384,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328,484 : 62,611,689 = 62,611,689 : x
  2. Step 2: Convert to fraction form
    28,328,484/62,611,689 = 62,611,689/x
  3. Step 3: Cross multiply
    28,328,484x = 62,611,689 × 62,611,689
  4. Step 4: Simplify right side
    28,328,484x = 3,920,223,599,432,721
  5. Step 5: Solve for x
    x = 3,920,223,599,432,721/28,328,484
  6. Step 6: Final answer
    x = 138,384,517.84

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.