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Finding the Third Proportional to 373,911 and 810,912

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Solution

The third proportional to 373,911 and 810,912 is: 1,758,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,911 : 810,912 = 810,912 : x
  2. Step 2: Convert to fraction form
    373,911/810,912 = 810,912/x
  3. Step 3: Cross multiply
    373,911x = 810,912 × 810,912
  4. Step 4: Simplify right side
    373,911x = 657,578,271,744
  5. Step 5: Solve for x
    x = 657,578,271,744/373,911
  6. Step 6: Final answer
    x = 1,758,649.18

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.