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Finding the Third Proportional to 589,664.81 and 1,289,737.69

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Solution

The third proportional to 589,664.81 and 1,289,737.69 is: 2,820,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,664.81 : 1,289,737.69 = 1,289,737.69 : x
  2. Step 2: Convert to fraction form
    589,664.81/1,289,737.69 = 1,289,737.69/x
  3. Step 3: Cross multiply
    589,664.81x = 1,289,737.69 × 1,289,737.69
  4. Step 4: Simplify right side
    589,664.81x = 1,663,423,302,557.85
  5. Step 5: Solve for x
    x = 1,663,423,302,557.85/589,664.81
  6. Step 6: Final answer
    x = 2,820,964.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.