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Finding the Third Proportional to 279,278 and 602,836

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Solution

The third proportional to 279,278 and 602,836 is: 1,301,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,278 : 602,836 = 602,836 : x
  2. Step 2: Convert to fraction form
    279,278/602,836 = 602,836/x
  3. Step 3: Cross multiply
    279,278x = 602,836 × 602,836
  4. Step 4: Simplify right side
    279,278x = 363,411,242,896
  5. Step 5: Solve for x
    x = 363,411,242,896/279,278
  6. Step 6: Final answer
    x = 1,301,252.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.