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Finding the Third Proportional to 1,109,765.81 and 1,664,802.49

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Solution

The third proportional to 1,109,765.81 and 1,664,802.49 is: 2,497,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,765.81 : 1,664,802.49 = 1,664,802.49 : x
  2. Step 2: Convert to fraction form
    1,109,765.81/1,664,802.49 = 1,664,802.49/x
  3. Step 3: Cross multiply
    1,109,765.81x = 1,664,802.49 × 1,664,802.49
  4. Step 4: Simplify right side
    1,109,765.81x = 2,771,567,337,993.71
  5. Step 5: Solve for x
    x = 2,771,567,337,993.71/1,109,765.81
  6. Step 6: Final answer
    x = 2,497,434.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.