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Finding the Third Proportional to 579,089 and 885,855

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Solution

The third proportional to 579,089 and 885,855 is: 1,355,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,089 : 885,855 = 885,855 : x
  2. Step 2: Convert to fraction form
    579,089/885,855 = 885,855/x
  3. Step 3: Cross multiply
    579,089x = 885,855 × 885,855
  4. Step 4: Simplify right side
    579,089x = 784,739,081,025
  5. Step 5: Solve for x
    x = 784,739,081,025/579,089
  6. Step 6: Final answer
    x = 1,355,126.90

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.