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Finding the Third Proportional to 452,045 and 990,807

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Solution

The third proportional to 452,045 and 990,807 is: 2,171,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,045 : 990,807 = 990,807 : x
  2. Step 2: Convert to fraction form
    452,045/990,807 = 990,807/x
  3. Step 3: Cross multiply
    452,045x = 990,807 × 990,807
  4. Step 4: Simplify right side
    452,045x = 981,698,511,249
  5. Step 5: Solve for x
    x = 981,698,511,249/452,045
  6. Step 6: Final answer
    x = 2,171,683.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.