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Finding the Third Proportional to 373,889 and 822,541

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Solution

The third proportional to 373,889 and 822,541 is: 1,809,557.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,889 : 822,541 = 822,541 : x
  2. Step 2: Convert to fraction form
    373,889/822,541 = 822,541/x
  3. Step 3: Cross multiply
    373,889x = 822,541 × 822,541
  4. Step 4: Simplify right side
    373,889x = 676,573,696,681
  5. Step 5: Solve for x
    x = 676,573,696,681/373,889
  6. Step 6: Final answer
    x = 1,809,557.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.