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Finding the Third Proportional to 501,268 and 767,778

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Solution

The third proportional to 501,268 and 767,778 is: 1,175,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,268 : 767,778 = 767,778 : x
  2. Step 2: Convert to fraction form
    501,268/767,778 = 767,778/x
  3. Step 3: Cross multiply
    501,268x = 767,778 × 767,778
  4. Step 4: Simplify right side
    501,268x = 589,483,057,284
  5. Step 5: Solve for x
    x = 589,483,057,284/501,268
  6. Step 6: Final answer
    x = 1,175,983.82

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.