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Finding the Third Proportional to 355,016 and 778,881

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Solution

The third proportional to 355,016 and 778,881 is: 1,708,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,016 : 778,881 = 778,881 : x
  2. Step 2: Convert to fraction form
    355,016/778,881 = 778,881/x
  3. Step 3: Cross multiply
    355,016x = 778,881 × 778,881
  4. Step 4: Simplify right side
    355,016x = 606,655,612,161
  5. Step 5: Solve for x
    x = 606,655,612,161/355,016
  6. Step 6: Final answer
    x = 1,708,812.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.