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Finding the Third Proportional to 15,346.13 and 30,621.38

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Solution

The third proportional to 15,346.13 and 30,621.38 is: 61,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.13 : 30,621.38 = 30,621.38 : x
  2. Step 2: Convert to fraction form
    15,346.13/30,621.38 = 30,621.38/x
  3. Step 3: Cross multiply
    15,346.13x = 30,621.38 × 30,621.38
  4. Step 4: Simplify right side
    15,346.13x = 937,668,606.89
  5. Step 5: Solve for x
    x = 937,668,606.89/15,346.13
  6. Step 6: Final answer
    x = 61,101.33

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.