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Finding the Third Proportional to 777,481 and 1,138,336

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Solution

The third proportional to 777,481 and 1,138,336 is: 1,666,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,481 : 1,138,336 = 1,138,336 : x
  2. Step 2: Convert to fraction form
    777,481/1,138,336 = 1,138,336/x
  3. Step 3: Cross multiply
    777,481x = 1,138,336 × 1,138,336
  4. Step 4: Simplify right side
    777,481x = 1,295,808,848,896
  5. Step 5: Solve for x
    x = 1,295,808,848,896/777,481
  6. Step 6: Final answer
    x = 1,666,675.90

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.