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Finding the Third Proportional to 217,287 and 470,752

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Solution

The third proportional to 217,287 and 470,752 is: 1,019,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,287 : 470,752 = 470,752 : x
  2. Step 2: Convert to fraction form
    217,287/470,752 = 470,752/x
  3. Step 3: Cross multiply
    217,287x = 470,752 × 470,752
  4. Step 4: Simplify right side
    217,287x = 221,607,445,504
  5. Step 5: Solve for x
    x = 221,607,445,504/217,287
  6. Step 6: Final answer
    x = 1,019,883.59

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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.