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Finding the Third Proportional to 635,556 and 890,730

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Solution

The third proportional to 635,556 and 890,730 is: 1,248,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,556 : 890,730 = 890,730 : x
  2. Step 2: Convert to fraction form
    635,556/890,730 = 890,730/x
  3. Step 3: Cross multiply
    635,556x = 890,730 × 890,730
  4. Step 4: Simplify right side
    635,556x = 793,399,932,900
  5. Step 5: Solve for x
    x = 793,399,932,900/635,556
  6. Step 6: Final answer
    x = 1,248,355.66

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.