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Finding the Third Proportional to 771,080 and 1,670,880

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Solution

The third proportional to 771,080 and 1,670,880 is: 3,620,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,080 : 1,670,880 = 1,670,880 : x
  2. Step 2: Convert to fraction form
    771,080/1,670,880 = 1,670,880/x
  3. Step 3: Cross multiply
    771,080x = 1,670,880 × 1,670,880
  4. Step 4: Simplify right side
    771,080x = 2,791,839,974,400
  5. Step 5: Solve for x
    x = 2,791,839,974,400/771,080
  6. Step 6: Final answer
    x = 3,620,687.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.