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Finding the Third Proportional to 376,072.88 and 555,809.34

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Solution

The third proportional to 376,072.88 and 555,809.34 is: 821,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,072.88 : 555,809.34 = 555,809.34 : x
  2. Step 2: Convert to fraction form
    376,072.88/555,809.34 = 555,809.34/x
  3. Step 3: Cross multiply
    376,072.88x = 555,809.34 × 555,809.34
  4. Step 4: Simplify right side
    376,072.88x = 308,924,026,599.81
  5. Step 5: Solve for x
    x = 308,924,026,599.81/376,072.88
  6. Step 6: Final answer
    x = 821,447.24

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.