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Finding the Third Proportional to 1,766,431.13 and 3,826,316.06

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Solution

The third proportional to 1,766,431.13 and 3,826,316.06 is: 8,288,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,431.13 : 3,826,316.06 = 3,826,316.06 : x
  2. Step 2: Convert to fraction form
    1,766,431.13/3,826,316.06 = 3,826,316.06/x
  3. Step 3: Cross multiply
    1,766,431.13x = 3,826,316.06 × 3,826,316.06
  4. Step 4: Simplify right side
    1,766,431.13x = 14,640,694,610,145.50
  5. Step 5: Solve for x
    x = 14,640,694,610,145.50/1,766,431.13
  6. Step 6: Final answer
    x = 8,288,290.67

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.