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Finding the Third Proportional to 556,720 and 1,219,839

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Solution

The third proportional to 556,720 and 1,219,839 is: 2,672,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,720 : 1,219,839 = 1,219,839 : x
  2. Step 2: Convert to fraction form
    556,720/1,219,839 = 1,219,839/x
  3. Step 3: Cross multiply
    556,720x = 1,219,839 × 1,219,839
  4. Step 4: Simplify right side
    556,720x = 1,488,007,185,921
  5. Step 5: Solve for x
    x = 1,488,007,185,921/556,720
  6. Step 6: Final answer
    x = 2,672,810.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.