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Finding the Third Proportional to 18,560,103 and 28,078,990.50

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Solution

The third proportional to 18,560,103 and 28,078,990.50 is: 42,479,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560,103 : 28,078,990.50 = 28,078,990.50 : x
  2. Step 2: Convert to fraction form
    18,560,103/28,078,990.50 = 28,078,990.50/x
  3. Step 3: Cross multiply
    18,560,103x = 28,078,990.50 × 28,078,990.50
  4. Step 4: Simplify right side
    18,560,103x = 788,429,707,499,090.25
  5. Step 5: Solve for x
    x = 788,429,707,499,090.25/18,560,103
  6. Step 6: Final answer
    x = 42,479,813.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.