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Finding the Third Proportional to 266,212 and 576,686

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Solution

The third proportional to 266,212 and 576,686 is: 1,249,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,212 : 576,686 = 576,686 : x
  2. Step 2: Convert to fraction form
    266,212/576,686 = 576,686/x
  3. Step 3: Cross multiply
    266,212x = 576,686 × 576,686
  4. Step 4: Simplify right side
    266,212x = 332,566,742,596
  5. Step 5: Solve for x
    x = 332,566,742,596/266,212
  6. Step 6: Final answer
    x = 1,249,255.26

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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.