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Finding the Third Proportional to 278,157 and 600,661.50

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Solution

The third proportional to 278,157 and 600,661.50 is: 1,297,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,157 : 600,661.50 = 600,661.50 : x
  2. Step 2: Convert to fraction form
    278,157/600,661.50 = 600,661.50/x
  3. Step 3: Cross multiply
    278,157x = 600,661.50 × 600,661.50
  4. Step 4: Simplify right side
    278,157x = 360,794,237,582.25
  5. Step 5: Solve for x
    x = 360,794,237,582.25/278,157
  6. Step 6: Final answer
    x = 1,297,088.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.