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Finding the Third Proportional to 156,570 and 252,084

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Solution

The third proportional to 156,570 and 252,084 is: 405,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,570 : 252,084 = 252,084 : x
  2. Step 2: Convert to fraction form
    156,570/252,084 = 252,084/x
  3. Step 3: Cross multiply
    156,570x = 252,084 × 252,084
  4. Step 4: Simplify right side
    156,570x = 63,546,343,056
  5. Step 5: Solve for x
    x = 63,546,343,056/156,570
  6. Step 6: Final answer
    x = 405,865.38

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.