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Finding the Third Proportional to 290,503.13 and 626,892.75

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Solution

The third proportional to 290,503.13 and 626,892.75 is: 1,352,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,503.13 : 626,892.75 = 626,892.75 : x
  2. Step 2: Convert to fraction form
    290,503.13/626,892.75 = 626,892.75/x
  3. Step 3: Cross multiply
    290,503.13x = 626,892.75 × 626,892.75
  4. Step 4: Simplify right side
    290,503.13x = 392,994,520,002.56
  5. Step 5: Solve for x
    x = 392,994,520,002.56/290,503.13
  6. Step 6: Final answer
    x = 1,352,806.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.