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Finding the Third Proportional to 621,319.50 and 1,333,263

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Solution

The third proportional to 621,319.50 and 1,333,263 is: 2,860,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,319.50 : 1,333,263 = 1,333,263 : x
  2. Step 2: Convert to fraction form
    621,319.50/1,333,263 = 1,333,263/x
  3. Step 3: Cross multiply
    621,319.50x = 1,333,263 × 1,333,263
  4. Step 4: Simplify right side
    621,319.50x = 1,777,590,227,169
  5. Step 5: Solve for x
    x = 1,777,590,227,169/621,319.50
  6. Step 6: Final answer
    x = 2,860,992.17

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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.