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Finding the Third Proportional to 1,439,938.69 and 3,084,815.81

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Solution

The third proportional to 1,439,938.69 and 3,084,815.81 is: 6,608,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,938.69 : 3,084,815.81 = 3,084,815.81 : x
  2. Step 2: Convert to fraction form
    1,439,938.69/3,084,815.81 = 3,084,815.81/x
  3. Step 3: Cross multiply
    1,439,938.69x = 3,084,815.81 × 3,084,815.81
  4. Step 4: Simplify right side
    1,439,938.69x = 9,516,088,597,050.04
  5. Step 5: Solve for x
    x = 9,516,088,597,050.04/1,439,938.69
  6. Step 6: Final answer
    x = 6,608,676.24

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.