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Finding the Third Proportional to 18,103,152 and 39,394,428

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Solution

The third proportional to 18,103,152 and 39,394,428 is: 85,726,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,152 : 39,394,428 = 39,394,428 : x
  2. Step 2: Convert to fraction form
    18,103,152/39,394,428 = 39,394,428/x
  3. Step 3: Cross multiply
    18,103,152x = 39,394,428 × 39,394,428
  4. Step 4: Simplify right side
    18,103,152x = 1,551,920,957,447,184
  5. Step 5: Solve for x
    x = 1,551,920,957,447,184/18,103,152
  6. Step 6: Final answer
    x = 85,726,560.63

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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.