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Finding the Third Proportional to 369,610 and 777,856

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Solution

The third proportional to 369,610 and 777,856 is: 1,637,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,610 : 777,856 = 777,856 : x
  2. Step 2: Convert to fraction form
    369,610/777,856 = 777,856/x
  3. Step 3: Cross multiply
    369,610x = 777,856 × 777,856
  4. Step 4: Simplify right side
    369,610x = 605,059,956,736
  5. Step 5: Solve for x
    x = 605,059,956,736/369,610
  6. Step 6: Final answer
    x = 1,637,022.69

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.