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Finding the Third Proportional to 66,214.13 and 85,017.75

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Solution

The third proportional to 66,214.13 and 85,017.75 is: 109,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,214.13 : 85,017.75 = 85,017.75 : x
  2. Step 2: Convert to fraction form
    66,214.13/85,017.75 = 85,017.75/x
  3. Step 3: Cross multiply
    66,214.13x = 85,017.75 × 85,017.75
  4. Step 4: Simplify right side
    66,214.13x = 7,228,017,815.06
  5. Step 5: Solve for x
    x = 7,228,017,815.06/66,214.13
  6. Step 6: Final answer
    x = 109,161.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.