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Finding the Third Proportional to 359,722.88 and 777,081.75

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Solution

The third proportional to 359,722.88 and 777,081.75 is: 1,678,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,722.88 : 777,081.75 = 777,081.75 : x
  2. Step 2: Convert to fraction form
    359,722.88/777,081.75 = 777,081.75/x
  3. Step 3: Cross multiply
    359,722.88x = 777,081.75 × 777,081.75
  4. Step 4: Simplify right side
    359,722.88x = 603,856,046,183.06
  5. Step 5: Solve for x
    x = 603,856,046,183.06/359,722.88
  6. Step 6: Final answer
    x = 1,678,670.13

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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.