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Finding the Third Proportional to 272,862 and 556,821

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Solution

The third proportional to 272,862 and 556,821 is: 1,136,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,862 : 556,821 = 556,821 : x
  2. Step 2: Convert to fraction form
    272,862/556,821 = 556,821/x
  3. Step 3: Cross multiply
    272,862x = 556,821 × 556,821
  4. Step 4: Simplify right side
    272,862x = 310,049,626,041
  5. Step 5: Solve for x
    x = 310,049,626,041/272,862
  6. Step 6: Final answer
    x = 1,136,287.30

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.