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Finding the Third Proportional to 97,704 and 212,904

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Solution

The third proportional to 97,704 and 212,904 is: 463,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,704 : 212,904 = 212,904 : x
  2. Step 2: Convert to fraction form
    97,704/212,904 = 212,904/x
  3. Step 3: Cross multiply
    97,704x = 212,904 × 212,904
  4. Step 4: Simplify right side
    97,704x = 45,328,113,216
  5. Step 5: Solve for x
    x = 45,328,113,216/97,704
  6. Step 6: Final answer
    x = 463,933.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.