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Finding the Third Proportional to 455,732 and 997,228

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Solution

The third proportional to 455,732 and 997,228 is: 2,182,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,732 : 997,228 = 997,228 : x
  2. Step 2: Convert to fraction form
    455,732/997,228 = 997,228/x
  3. Step 3: Cross multiply
    455,732x = 997,228 × 997,228
  4. Step 4: Simplify right side
    455,732x = 994,463,683,984
  5. Step 5: Solve for x
    x = 994,463,683,984/455,732
  6. Step 6: Final answer
    x = 2,182,123.89

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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.