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Finding the Third Proportional to 445,455 and 971,307

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Solution

The third proportional to 445,455 and 971,307 is: 2,117,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,455 : 971,307 = 971,307 : x
  2. Step 2: Convert to fraction form
    445,455/971,307 = 971,307/x
  3. Step 3: Cross multiply
    445,455x = 971,307 × 971,307
  4. Step 4: Simplify right side
    445,455x = 943,437,288,249
  5. Step 5: Solve for x
    x = 943,437,288,249/445,455
  6. Step 6: Final answer
    x = 2,117,918.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.