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Finding the Third Proportional to 379,964 and 830,452

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Solution

The third proportional to 379,964 and 830,452 is: 1,815,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,964 : 830,452 = 830,452 : x
  2. Step 2: Convert to fraction form
    379,964/830,452 = 830,452/x
  3. Step 3: Cross multiply
    379,964x = 830,452 × 830,452
  4. Step 4: Simplify right side
    379,964x = 689,650,524,304
  5. Step 5: Solve for x
    x = 689,650,524,304/379,964
  6. Step 6: Final answer
    x = 1,815,041.75

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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.