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Finding the Third Proportional to 143,669 and 228,140

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Solution

The third proportional to 143,669 and 228,140 is: 362,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,669 : 228,140 = 228,140 : x
  2. Step 2: Convert to fraction form
    143,669/228,140 = 228,140/x
  3. Step 3: Cross multiply
    143,669x = 228,140 × 228,140
  4. Step 4: Simplify right side
    143,669x = 52,047,859,600
  5. Step 5: Solve for x
    x = 52,047,859,600/143,669
  6. Step 6: Final answer
    x = 362,276.20

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.