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Finding the Third Proportional to 395,266.50 and 878,971.50

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Solution

The third proportional to 395,266.50 and 878,971.50 is: 1,954,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,266.50 : 878,971.50 = 878,971.50 : x
  2. Step 2: Convert to fraction form
    395,266.50/878,971.50 = 878,971.50/x
  3. Step 3: Cross multiply
    395,266.50x = 878,971.50 × 878,971.50
  4. Step 4: Simplify right side
    395,266.50x = 772,590,897,812.25
  5. Step 5: Solve for x
    x = 772,590,897,812.25/395,266.50
  6. Step 6: Final answer
    x = 1,954,607.58

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.