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Finding the Third Proportional to 845,207 and 1,879,390

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Solution

The third proportional to 845,207 and 1,879,390 is: 4,178,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,207 : 1,879,390 = 1,879,390 : x
  2. Step 2: Convert to fraction form
    845,207/1,879,390 = 1,879,390/x
  3. Step 3: Cross multiply
    845,207x = 1,879,390 × 1,879,390
  4. Step 4: Simplify right side
    845,207x = 3,532,106,772,100
  5. Step 5: Solve for x
    x = 3,532,106,772,100/845,207
  6. Step 6: Final answer
    x = 4,178,984.29

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.