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Finding the Third Proportional to 77,445 and 109,062

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Solution

The third proportional to 77,445 and 109,062 is: 153,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,445 : 109,062 = 109,062 : x
  2. Step 2: Convert to fraction form
    77,445/109,062 = 109,062/x
  3. Step 3: Cross multiply
    77,445x = 109,062 × 109,062
  4. Step 4: Simplify right side
    77,445x = 11,894,519,844
  5. Step 5: Solve for x
    x = 11,894,519,844/77,445
  6. Step 6: Final answer
    x = 153,586.67

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.