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Finding the Third Proportional to 353,290 and 765,819

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Solution

The third proportional to 353,290 and 765,819 is: 1,660,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,290 : 765,819 = 765,819 : x
  2. Step 2: Convert to fraction form
    353,290/765,819 = 765,819/x
  3. Step 3: Cross multiply
    353,290x = 765,819 × 765,819
  4. Step 4: Simplify right side
    353,290x = 586,478,740,761
  5. Step 5: Solve for x
    x = 586,478,740,761/353,290
  6. Step 6: Final answer
    x = 1,660,049.08

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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.