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Finding the Third Proportional to 5,234,178 and 7,877,475

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Solution

The third proportional to 5,234,178 and 7,877,475 is: 11,855,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234,178 : 7,877,475 = 7,877,475 : x
  2. Step 2: Convert to fraction form
    5,234,178/7,877,475 = 7,877,475/x
  3. Step 3: Cross multiply
    5,234,178x = 7,877,475 × 7,877,475
  4. Step 4: Simplify right side
    5,234,178x = 62,054,612,375,625
  5. Step 5: Solve for x
    x = 62,054,612,375,625/5,234,178
  6. Step 6: Final answer
    x = 11,855,655.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.