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Finding the Third Proportional to 4,591,264.78 and 10,009,215.56

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Solution

The third proportional to 4,591,264.78 and 10,009,215.56 is: 21,820,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591,264.78 : 10,009,215.56 = 10,009,215.56 : x
  2. Step 2: Convert to fraction form
    4,591,264.78/10,009,215.56 = 10,009,215.56/x
  3. Step 3: Cross multiply
    4,591,264.78x = 10,009,215.56 × 10,009,215.56
  4. Step 4: Simplify right side
    4,591,264.78x = 100,184,396,176,592.19
  5. Step 5: Solve for x
    x = 100,184,396,176,592.19/4,591,264.78
  6. Step 6: Final answer
    x = 21,820,653.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.