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Finding the Third Proportional to 450,300 and 684,738

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Solution

The third proportional to 450,300 and 684,738 is: 1,041,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,300 : 684,738 = 684,738 : x
  2. Step 2: Convert to fraction form
    450,300/684,738 = 684,738/x
  3. Step 3: Cross multiply
    450,300x = 684,738 × 684,738
  4. Step 4: Simplify right side
    450,300x = 468,866,128,644
  5. Step 5: Solve for x
    x = 468,866,128,644/450,300
  6. Step 6: Final answer
    x = 1,041,230.58

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.