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Finding the Third Proportional to 386,319 and 590,964

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Solution

The third proportional to 386,319 and 590,964 is: 904,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,319 : 590,964 = 590,964 : x
  2. Step 2: Convert to fraction form
    386,319/590,964 = 590,964/x
  3. Step 3: Cross multiply
    386,319x = 590,964 × 590,964
  4. Step 4: Simplify right side
    386,319x = 349,238,449,296
  5. Step 5: Solve for x
    x = 349,238,449,296/386,319
  6. Step 6: Final answer
    x = 904,015.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.