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Finding the Third Proportional to 18,294,157.50 and 36,125,643

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Solution

The third proportional to 18,294,157.50 and 36,125,643 is: 71,337,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294,157.50 : 36,125,643 = 36,125,643 : x
  2. Step 2: Convert to fraction form
    18,294,157.50/36,125,643 = 36,125,643/x
  3. Step 3: Cross multiply
    18,294,157.50x = 36,125,643 × 36,125,643
  4. Step 4: Simplify right side
    18,294,157.50x = 1,305,062,082,163,449
  5. Step 5: Solve for x
    x = 1,305,062,082,163,449/18,294,157.50
  6. Step 6: Final answer
    x = 71,337,643.30

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.