Home / 1,276,187.91-1,977,025.22

Finding the Third Proportional to 1,276,187.91 and 1,977,025.22

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Solution

The third proportional to 1,276,187.91 and 1,977,025.22 is: 3,062,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,187.91 : 1,977,025.22 = 1,977,025.22 : x
  2. Step 2: Convert to fraction form
    1,276,187.91/1,977,025.22 = 1,977,025.22/x
  3. Step 3: Cross multiply
    1,276,187.91x = 1,977,025.22 × 1,977,025.22
  4. Step 4: Simplify right side
    1,276,187.91x = 3,908,628,715,573.49
  5. Step 5: Solve for x
    x = 3,908,628,715,573.49/1,276,187.91
  6. Step 6: Final answer
    x = 3,062,737.62

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.