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Finding the Third Proportional to 4,923,391 and 7,910,567

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Solution

The third proportional to 4,923,391 and 7,910,567 is: 12,710,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923,391 : 7,910,567 = 7,910,567 : x
  2. Step 2: Convert to fraction form
    4,923,391/7,910,567 = 7,910,567/x
  3. Step 3: Cross multiply
    4,923,391x = 7,910,567 × 7,910,567
  4. Step 4: Simplify right side
    4,923,391x = 62,577,070,261,489
  5. Step 5: Solve for x
    x = 62,577,070,261,489/4,923,391
  6. Step 6: Final answer
    x = 12,710,156.53

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.