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Finding the Third Proportional to 557,079.63 and 1,220,955

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Solution

The third proportional to 557,079.63 and 1,220,955 is: 2,675,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,079.63 : 1,220,955 = 1,220,955 : x
  2. Step 2: Convert to fraction form
    557,079.63/1,220,955 = 1,220,955/x
  3. Step 3: Cross multiply
    557,079.63x = 1,220,955 × 1,220,955
  4. Step 4: Simplify right side
    557,079.63x = 1,490,731,112,025
  5. Step 5: Solve for x
    x = 1,490,731,112,025/557,079.63
  6. Step 6: Final answer
    x = 2,675,974.93

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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.