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Finding the Third Proportional to 400,239 and 884,490

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Solution

The third proportional to 400,239 and 884,490 is: 1,954,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,239 : 884,490 = 884,490 : x
  2. Step 2: Convert to fraction form
    400,239/884,490 = 884,490/x
  3. Step 3: Cross multiply
    400,239x = 884,490 × 884,490
  4. Step 4: Simplify right side
    400,239x = 782,322,560,100
  5. Step 5: Solve for x
    x = 782,322,560,100/400,239
  6. Step 6: Final answer
    x = 1,954,638.50

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.