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Finding the Third Proportional to 28,737,072 and 61,458,912

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Solution

The third proportional to 28,737,072 and 61,458,912 is: 131,439,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737,072 : 61,458,912 = 61,458,912 : x
  2. Step 2: Convert to fraction form
    28,737,072/61,458,912 = 61,458,912/x
  3. Step 3: Cross multiply
    28,737,072x = 61,458,912 × 61,458,912
  4. Step 4: Simplify right side
    28,737,072x = 3,777,197,864,223,744
  5. Step 5: Solve for x
    x = 3,777,197,864,223,744/28,737,072
  6. Step 6: Final answer
    x = 131,439,899.80

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.