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Finding the Third Proportional to 1,409,698.69 and 3,072,498.75

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Solution

The third proportional to 1,409,698.69 and 3,072,498.75 is: 6,696,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,698.69 : 3,072,498.75 = 3,072,498.75 : x
  2. Step 2: Convert to fraction form
    1,409,698.69/3,072,498.75 = 3,072,498.75/x
  3. Step 3: Cross multiply
    1,409,698.69x = 3,072,498.75 × 3,072,498.75
  4. Step 4: Simplify right side
    1,409,698.69x = 9,440,248,568,751.56
  5. Step 5: Solve for x
    x = 9,440,248,568,751.56/1,409,698.69
  6. Step 6: Final answer
    x = 6,696,642.80

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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.