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Finding the Third Proportional to 621,238 and 941,213

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Solution

The third proportional to 621,238 and 941,213 is: 1,425,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,238 : 941,213 = 941,213 : x
  2. Step 2: Convert to fraction form
    621,238/941,213 = 941,213/x
  3. Step 3: Cross multiply
    621,238x = 941,213 × 941,213
  4. Step 4: Simplify right side
    621,238x = 885,881,911,369
  5. Step 5: Solve for x
    x = 885,881,911,369/621,238
  6. Step 6: Final answer
    x = 1,425,994.40

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.