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Finding the Third Proportional to 28,412.25 and 43,483.13

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Solution

The third proportional to 28,412.25 and 43,483.13 is: 66,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.25 : 43,483.13 = 43,483.13 : x
  2. Step 2: Convert to fraction form
    28,412.25/43,483.13 = 43,483.13/x
  3. Step 3: Cross multiply
    28,412.25x = 43,483.13 × 43,483.13
  4. Step 4: Simplify right side
    28,412.25x = 1,890,782,159.77
  5. Step 5: Solve for x
    x = 1,890,782,159.77/28,412.25
  6. Step 6: Final answer
    x = 66,548.13

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.