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Finding the Third Proportional to 560,907 and 870,162.75

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Solution

The third proportional to 560,907 and 870,162.75 is: 1,349,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,907 : 870,162.75 = 870,162.75 : x
  2. Step 2: Convert to fraction form
    560,907/870,162.75 = 870,162.75/x
  3. Step 3: Cross multiply
    560,907x = 870,162.75 × 870,162.75
  4. Step 4: Simplify right side
    560,907x = 757,183,211,487.56
  5. Step 5: Solve for x
    x = 757,183,211,487.56/560,907
  6. Step 6: Final answer
    x = 1,349,926.48

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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.