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Finding the Third Proportional to 1,145,481.19 and 1,698,400.69

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Solution

The third proportional to 1,145,481.19 and 1,698,400.69 is: 2,518,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,481.19 : 1,698,400.69 = 1,698,400.69 : x
  2. Step 2: Convert to fraction form
    1,145,481.19/1,698,400.69 = 1,698,400.69/x
  3. Step 3: Cross multiply
    1,145,481.19x = 1,698,400.69 × 1,698,400.69
  4. Step 4: Simplify right side
    1,145,481.19x = 2,884,564,895,300.47
  5. Step 5: Solve for x
    x = 2,884,564,895,300.47/1,145,481.19
  6. Step 6: Final answer
    x = 2,518,212.37

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.