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Finding the Third Proportional to 101,818 and 210,620

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Solution

The third proportional to 101,818 and 210,620 is: 435,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,818 : 210,620 = 210,620 : x
  2. Step 2: Convert to fraction form
    101,818/210,620 = 210,620/x
  3. Step 3: Cross multiply
    101,818x = 210,620 × 210,620
  4. Step 4: Simplify right side
    101,818x = 44,360,784,400
  5. Step 5: Solve for x
    x = 44,360,784,400/101,818
  6. Step 6: Final answer
    x = 435,687.05

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.