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Finding the Third Proportional to 279,316 and 602,912

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Solution

The third proportional to 279,316 and 602,912 is: 1,301,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,316 : 602,912 = 602,912 : x
  2. Step 2: Convert to fraction form
    279,316/602,912 = 602,912/x
  3. Step 3: Cross multiply
    279,316x = 602,912 × 602,912
  4. Step 4: Simplify right side
    279,316x = 363,502,879,744
  5. Step 5: Solve for x
    x = 363,502,879,744/279,316
  6. Step 6: Final answer
    x = 1,301,403.71

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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.