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Finding the Third Proportional to 575,064 and 870,655

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Solution

The third proportional to 575,064 and 870,655 is: 1,318,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,064 : 870,655 = 870,655 : x
  2. Step 2: Convert to fraction form
    575,064/870,655 = 870,655/x
  3. Step 3: Cross multiply
    575,064x = 870,655 × 870,655
  4. Step 4: Simplify right side
    575,064x = 758,040,129,025
  5. Step 5: Solve for x
    x = 758,040,129,025/575,064
  6. Step 6: Final answer
    x = 1,318,183.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.