Home / 1,086,015.94-1,428,110.16

Finding the Third Proportional to 1,086,015.94 and 1,428,110.16

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Solution

The third proportional to 1,086,015.94 and 1,428,110.16 is: 1,877,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,015.94 : 1,428,110.16 = 1,428,110.16 : x
  2. Step 2: Convert to fraction form
    1,086,015.94/1,428,110.16 = 1,428,110.16/x
  3. Step 3: Cross multiply
    1,086,015.94x = 1,428,110.16 × 1,428,110.16
  4. Step 4: Simplify right side
    1,086,015.94x = 2,039,498,618,384.40
  5. Step 5: Solve for x
    x = 2,039,498,618,384.40/1,086,015.94
  6. Step 6: Final answer
    x = 1,877,963.80

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.