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Finding the Third Proportional to 42,977,978 and 92,762,108

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Solution

The third proportional to 42,977,978 and 92,762,108 is: 200,214,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977,978 : 92,762,108 = 92,762,108 : x
  2. Step 2: Convert to fraction form
    42,977,978/92,762,108 = 92,762,108/x
  3. Step 3: Cross multiply
    42,977,978x = 92,762,108 × 92,762,108
  4. Step 4: Simplify right side
    42,977,978x = 8,604,808,680,603,664
  5. Step 5: Solve for x
    x = 8,604,808,680,603,664/42,977,978
  6. Step 6: Final answer
    x = 200,214,367.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.