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Finding the Third Proportional to 420,295.50 and 899,635.50

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Solution

The third proportional to 420,295.50 and 899,635.50 is: 1,925,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,295.50 : 899,635.50 = 899,635.50 : x
  2. Step 2: Convert to fraction form
    420,295.50/899,635.50 = 899,635.50/x
  3. Step 3: Cross multiply
    420,295.50x = 899,635.50 × 899,635.50
  4. Step 4: Simplify right side
    420,295.50x = 809,344,032,860.25
  5. Step 5: Solve for x
    x = 809,344,032,860.25/420,295.50
  6. Step 6: Final answer
    x = 1,925,654.77

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.