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Finding the Third Proportional to 10,798,063.17 and 15,278,928.75

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Solution

The third proportional to 10,798,063.17 and 15,278,928.75 is: 21,619,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,798,063.17 : 15,278,928.75 = 15,278,928.75 : x
  2. Step 2: Convert to fraction form
    10,798,063.17/15,278,928.75 = 15,278,928.75/x
  3. Step 3: Cross multiply
    10,798,063.17x = 15,278,928.75 × 15,278,928.75
  4. Step 4: Simplify right side
    10,798,063.17x = 233,445,663,747,576.56
  5. Step 5: Solve for x
    x = 233,445,663,747,576.56/10,798,063.17
  6. Step 6: Final answer
    x = 21,619,216.34

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.