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Finding the Third Proportional to 359,358 and 538,992

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Solution

The third proportional to 359,358 and 538,992 is: 808,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,358 : 538,992 = 538,992 : x
  2. Step 2: Convert to fraction form
    359,358/538,992 = 538,992/x
  3. Step 3: Cross multiply
    359,358x = 538,992 × 538,992
  4. Step 4: Simplify right side
    359,358x = 290,512,376,064
  5. Step 5: Solve for x
    x = 290,512,376,064/359,358
  6. Step 6: Final answer
    x = 808,420.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.