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Finding the Third Proportional to 584,858 and 857,009

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Solution

The third proportional to 584,858 and 857,009 is: 1,255,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,858 : 857,009 = 857,009 : x
  2. Step 2: Convert to fraction form
    584,858/857,009 = 857,009/x
  3. Step 3: Cross multiply
    584,858x = 857,009 × 857,009
  4. Step 4: Simplify right side
    584,858x = 734,464,426,081
  5. Step 5: Solve for x
    x = 734,464,426,081/584,858
  6. Step 6: Final answer
    x = 1,255,799.57

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.