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Finding the Third Proportional to 281,727 and 626,445

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Solution

The third proportional to 281,727 and 626,445 is: 1,392,956.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,727 : 626,445 = 626,445 : x
  2. Step 2: Convert to fraction form
    281,727/626,445 = 626,445/x
  3. Step 3: Cross multiply
    281,727x = 626,445 × 626,445
  4. Step 4: Simplify right side
    281,727x = 392,433,338,025
  5. Step 5: Solve for x
    x = 392,433,338,025/281,727
  6. Step 6: Final answer
    x = 1,392,956.08

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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.