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Finding the Third Proportional to 7,201,988 and 11,148,052

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Solution

The third proportional to 7,201,988 and 11,148,052 is: 17,256,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201,988 : 11,148,052 = 11,148,052 : x
  2. Step 2: Convert to fraction form
    7,201,988/11,148,052 = 11,148,052/x
  3. Step 3: Cross multiply
    7,201,988x = 11,148,052 × 11,148,052
  4. Step 4: Simplify right side
    7,201,988x = 124,279,063,394,704
  5. Step 5: Solve for x
    x = 124,279,063,394,704/7,201,988
  6. Step 6: Final answer
    x = 17,256,216.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.