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Finding the Third Proportional to 30,137,040 and 66,006,936

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Solution

The third proportional to 30,137,040 and 66,006,936 is: 144,570,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137,040 : 66,006,936 = 66,006,936 : x
  2. Step 2: Convert to fraction form
    30,137,040/66,006,936 = 66,006,936/x
  3. Step 3: Cross multiply
    30,137,040x = 66,006,936 × 66,006,936
  4. Step 4: Simplify right side
    30,137,040x = 4,356,915,600,108,096
  5. Step 5: Solve for x
    x = 4,356,915,600,108,096/30,137,040
  6. Step 6: Final answer
    x = 144,570,123.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.