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Finding the Third Proportional to 855,718 and 1,330,377

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Solution

The third proportional to 855,718 and 1,330,377 is: 2,068,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,718 : 1,330,377 = 1,330,377 : x
  2. Step 2: Convert to fraction form
    855,718/1,330,377 = 1,330,377/x
  3. Step 3: Cross multiply
    855,718x = 1,330,377 × 1,330,377
  4. Step 4: Simplify right side
    855,718x = 1,769,902,962,129
  5. Step 5: Solve for x
    x = 1,769,902,962,129/855,718
  6. Step 6: Final answer
    x = 2,068,325.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.