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Finding the Third Proportional to 290,793 and 626,130

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Solution

The third proportional to 290,793 and 626,130 is: 1,348,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,793 : 626,130 = 626,130 : x
  2. Step 2: Convert to fraction form
    290,793/626,130 = 626,130/x
  3. Step 3: Cross multiply
    290,793x = 626,130 × 626,130
  4. Step 4: Simplify right side
    290,793x = 392,038,776,900
  5. Step 5: Solve for x
    x = 392,038,776,900/290,793
  6. Step 6: Final answer
    x = 1,348,171.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.