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Finding the Third Proportional to 181,316 and 392,764

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Solution

The third proportional to 181,316 and 392,764 is: 850,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,316 : 392,764 = 392,764 : x
  2. Step 2: Convert to fraction form
    181,316/392,764 = 392,764/x
  3. Step 3: Cross multiply
    181,316x = 392,764 × 392,764
  4. Step 4: Simplify right side
    181,316x = 154,263,559,696
  5. Step 5: Solve for x
    x = 154,263,559,696/181,316
  6. Step 6: Final answer
    x = 850,799.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.