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Finding the Third Proportional to 4,368.38 and 9,430.13

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Solution

The third proportional to 4,368.38 and 9,430.13 is: 20,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.38 : 9,430.13 = 9,430.13 : x
  2. Step 2: Convert to fraction form
    4,368.38/9,430.13 = 9,430.13/x
  3. Step 3: Cross multiply
    4,368.38x = 9,430.13 × 9,430.13
  4. Step 4: Simplify right side
    4,368.38x = 88,927,257.52
  5. Step 5: Solve for x
    x = 88,927,257.52/4,368.38
  6. Step 6: Final answer
    x = 20,357.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.