Home / 4,258,939.50-9,288,644.63

Finding the Third Proportional to 4,258,939.50 and 9,288,644.63

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Solution

The third proportional to 4,258,939.50 and 9,288,644.63 is: 20,258,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,939.50 : 9,288,644.63 = 9,288,644.63 : x
  2. Step 2: Convert to fraction form
    4,258,939.50/9,288,644.63 = 9,288,644.63/x
  3. Step 3: Cross multiply
    4,258,939.50x = 9,288,644.63 × 9,288,644.63
  4. Step 4: Simplify right side
    4,258,939.50x = 86,278,918,969,541.39
  5. Step 5: Solve for x
    x = 86,278,918,969,541.39/4,258,939.50
  6. Step 6: Final answer
    x = 20,258,310.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.