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Finding the Third Proportional to 56,571 and 85,572

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Solution

The third proportional to 56,571 and 85,572 is: 129,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,571 : 85,572 = 85,572 : x
  2. Step 2: Convert to fraction form
    56,571/85,572 = 85,572/x
  3. Step 3: Cross multiply
    56,571x = 85,572 × 85,572
  4. Step 4: Simplify right side
    56,571x = 7,322,567,184
  5. Step 5: Solve for x
    x = 7,322,567,184/56,571
  6. Step 6: Final answer
    x = 129,440.30

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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.