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Finding the Third Proportional to 1,409.06 and 1,890.56

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Solution

The third proportional to 1,409.06 and 1,890.56 is: 2,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409.06 : 1,890.56 = 1,890.56 : x
  2. Step 2: Convert to fraction form
    1,409.06/1,890.56 = 1,890.56/x
  3. Step 3: Cross multiply
    1,409.06x = 1,890.56 × 1,890.56
  4. Step 4: Simplify right side
    1,409.06x = 3,574,226.57
  5. Step 5: Solve for x
    x = 3,574,226.57/1,409.06
  6. Step 6: Final answer
    x = 2,536.60

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These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.