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Finding the Third Proportional to 450,718 and 913,880

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Solution

The third proportional to 450,718 and 913,880 is: 1,852,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,718 : 913,880 = 913,880 : x
  2. Step 2: Convert to fraction form
    450,718/913,880 = 913,880/x
  3. Step 3: Cross multiply
    450,718x = 913,880 × 913,880
  4. Step 4: Simplify right side
    450,718x = 835,176,654,400
  5. Step 5: Solve for x
    x = 835,176,654,400/450,718
  6. Step 6: Final answer
    x = 1,852,991.57

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.