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Finding the Third Proportional to 1,430.44 and 3,036.38

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Solution

The third proportional to 1,430.44 and 3,036.38 is: 6,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430.44 : 3,036.38 = 3,036.38 : x
  2. Step 2: Convert to fraction form
    1,430.44/3,036.38 = 3,036.38/x
  3. Step 3: Cross multiply
    1,430.44x = 3,036.38 × 3,036.38
  4. Step 4: Simplify right side
    1,430.44x = 9,219,573.14
  5. Step 5: Solve for x
    x = 9,219,573.14/1,430.44
  6. Step 6: Final answer
    x = 6,445.28

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.