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Finding the Third Proportional to 3,030.47 and 4,819.22

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Solution

The third proportional to 3,030.47 and 4,819.22 is: 7,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.47 : 4,819.22 = 4,819.22 : x
  2. Step 2: Convert to fraction form
    3,030.47/4,819.22 = 4,819.22/x
  3. Step 3: Cross multiply
    3,030.47x = 4,819.22 × 4,819.22
  4. Step 4: Simplify right side
    3,030.47x = 23,224,869.36
  5. Step 5: Solve for x
    x = 23,224,869.36/3,030.47
  6. Step 6: Final answer
    x = 7,663.79

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.