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Finding the Third Proportional to 293,890 and 436,515

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Solution

The third proportional to 293,890 and 436,515 is: 648,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,890 : 436,515 = 436,515 : x
  2. Step 2: Convert to fraction form
    293,890/436,515 = 436,515/x
  3. Step 3: Cross multiply
    293,890x = 436,515 × 436,515
  4. Step 4: Simplify right side
    293,890x = 190,545,345,225
  5. Step 5: Solve for x
    x = 190,545,345,225/293,890
  6. Step 6: Final answer
    x = 648,356.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.