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Finding the Third Proportional to 4,102,899 and 8,928,237

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Solution

The third proportional to 4,102,899 and 8,928,237 is: 19,428,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102,899 : 8,928,237 = 8,928,237 : x
  2. Step 2: Convert to fraction form
    4,102,899/8,928,237 = 8,928,237/x
  3. Step 3: Cross multiply
    4,102,899x = 8,928,237 × 8,928,237
  4. Step 4: Simplify right side
    4,102,899x = 79,713,415,928,169
  5. Step 5: Solve for x
    x = 79,713,415,928,169/4,102,899
  6. Step 6: Final answer
    x = 19,428,559.15

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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.