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Finding the Third Proportional to 887,690.81 and 1,298,313.56

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Solution

The third proportional to 887,690.81 and 1,298,313.56 is: 1,898,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,690.81 : 1,298,313.56 = 1,298,313.56 : x
  2. Step 2: Convert to fraction form
    887,690.81/1,298,313.56 = 1,298,313.56/x
  3. Step 3: Cross multiply
    887,690.81x = 1,298,313.56 × 1,298,313.56
  4. Step 4: Simplify right side
    887,690.81x = 1,685,618,106,571.44
  5. Step 5: Solve for x
    x = 1,685,618,106,571.44/887,690.81
  6. Step 6: Final answer
    x = 1,898,879.75

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.