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Finding the Third Proportional to 9,218,300 and 13,278,378

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Solution

The third proportional to 9,218,300 and 13,278,378 is: 19,126,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,300 : 13,278,378 = 13,278,378 : x
  2. Step 2: Convert to fraction form
    9,218,300/13,278,378 = 13,278,378/x
  3. Step 3: Cross multiply
    9,218,300x = 13,278,378 × 13,278,378
  4. Step 4: Simplify right side
    9,218,300x = 176,315,322,310,884
  5. Step 5: Solve for x
    x = 176,315,322,310,884/9,218,300
  6. Step 6: Final answer
    x = 19,126,663.52

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.