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Finding the Third Proportional to 18,203,038.50 and 39,107,498

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Solution

The third proportional to 18,203,038.50 and 39,107,498 is: 84,018,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203,038.50 : 39,107,498 = 39,107,498 : x
  2. Step 2: Convert to fraction form
    18,203,038.50/39,107,498 = 39,107,498/x
  3. Step 3: Cross multiply
    18,203,038.50x = 39,107,498 × 39,107,498
  4. Step 4: Simplify right side
    18,203,038.50x = 1,529,396,399,820,004
  5. Step 5: Solve for x
    x = 1,529,396,399,820,004/18,203,038.50
  6. Step 6: Final answer
    x = 84,018,742.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.