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Finding the Third Proportional to 7,424,878 and 11,814,559

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Solution

The third proportional to 7,424,878 and 11,814,559 is: 18,799,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424,878 : 11,814,559 = 11,814,559 : x
  2. Step 2: Convert to fraction form
    7,424,878/11,814,559 = 11,814,559/x
  3. Step 3: Cross multiply
    7,424,878x = 11,814,559 × 11,814,559
  4. Step 4: Simplify right side
    7,424,878x = 139,583,804,364,481
  5. Step 5: Solve for x
    x = 139,583,804,364,481/7,424,878
  6. Step 6: Final answer
    x = 18,799,474.46

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.