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Finding the Third Proportional to 910,668 and 1,998,480

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Solution

The third proportional to 910,668 and 1,998,480 is: 4,385,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,668 : 1,998,480 = 1,998,480 : x
  2. Step 2: Convert to fraction form
    910,668/1,998,480 = 1,998,480/x
  3. Step 3: Cross multiply
    910,668x = 1,998,480 × 1,998,480
  4. Step 4: Simplify right side
    910,668x = 3,993,922,310,400
  5. Step 5: Solve for x
    x = 3,993,922,310,400/910,668
  6. Step 6: Final answer
    x = 4,385,706.22

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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.