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Finding the Third Proportional to 5,238,579 and 7,877,364

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Solution

The third proportional to 5,238,579 and 7,877,364 is: 11,845,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238,579 : 7,877,364 = 7,877,364 : x
  2. Step 2: Convert to fraction form
    5,238,579/7,877,364 = 7,877,364/x
  3. Step 3: Cross multiply
    5,238,579x = 7,877,364 × 7,877,364
  4. Step 4: Simplify right side
    5,238,579x = 62,052,863,588,496
  5. Step 5: Solve for x
    x = 62,052,863,588,496/5,238,579
  6. Step 6: Final answer
    x = 11,845,361.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.