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Finding the Third Proportional to 989,374.50 and 2,168,106.75

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Solution

The third proportional to 989,374.50 and 2,168,106.75 is: 4,751,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,374.50 : 2,168,106.75 = 2,168,106.75 : x
  2. Step 2: Convert to fraction form
    989,374.50/2,168,106.75 = 2,168,106.75/x
  3. Step 3: Cross multiply
    989,374.50x = 2,168,106.75 × 2,168,106.75
  4. Step 4: Simplify right side
    989,374.50x = 4,700,686,879,395.56
  5. Step 5: Solve for x
    x = 4,700,686,879,395.56/989,374.50
  6. Step 6: Final answer
    x = 4,751,170.44

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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.