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Finding the Third Proportional to 2,786,908.99 and 6,121,866.52

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Solution

The third proportional to 2,786,908.99 and 6,121,866.52 is: 13,447,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,908.99 : 6,121,866.52 = 6,121,866.52 : x
  2. Step 2: Convert to fraction form
    2,786,908.99/6,121,866.52 = 6,121,866.52/x
  3. Step 3: Cross multiply
    2,786,908.99x = 6,121,866.52 × 6,121,866.52
  4. Step 4: Simplify right side
    2,786,908.99x = 37,477,249,635,130.58
  5. Step 5: Solve for x
    x = 37,477,249,635,130.58/2,786,908.99
  6. Step 6: Final answer
    x = 13,447,604.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.