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Finding the Third Proportional to 287,522 and 623,914

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Solution

The third proportional to 287,522 and 623,914 is: 1,353,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,522 : 623,914 = 623,914 : x
  2. Step 2: Convert to fraction form
    287,522/623,914 = 623,914/x
  3. Step 3: Cross multiply
    287,522x = 623,914 × 623,914
  4. Step 4: Simplify right side
    287,522x = 389,268,679,396
  5. Step 5: Solve for x
    x = 389,268,679,396/287,522
  6. Step 6: Final answer
    x = 1,353,874.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.