Home / 1,528,930.85-2,143,236.51

Finding the Third Proportional to 1,528,930.85 and 2,143,236.51

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Solution

The third proportional to 1,528,930.85 and 2,143,236.51 is: 3,004,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,930.85 : 2,143,236.51 = 2,143,236.51 : x
  2. Step 2: Convert to fraction form
    1,528,930.85/2,143,236.51 = 2,143,236.51/x
  3. Step 3: Cross multiply
    1,528,930.85x = 2,143,236.51 × 2,143,236.51
  4. Step 4: Simplify right side
    1,528,930.85x = 4,593,462,724,234.15
  5. Step 5: Solve for x
    x = 4,593,462,724,234.15/1,528,930.85
  6. Step 6: Final answer
    x = 3,004,362.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.