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Finding the Third Proportional to 840,699 and 1,803,849.75

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Solution

The third proportional to 840,699 and 1,803,849.75 is: 3,870,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,699 : 1,803,849.75 = 1,803,849.75 : x
  2. Step 2: Convert to fraction form
    840,699/1,803,849.75 = 1,803,849.75/x
  3. Step 3: Cross multiply
    840,699x = 1,803,849.75 × 1,803,849.75
  4. Step 4: Simplify right side
    840,699x = 3,253,873,920,575.06
  5. Step 5: Solve for x
    x = 3,253,873,920,575.06/840,699
  6. Step 6: Final answer
    x = 3,870,438.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.