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Finding the Third Proportional to 758,745 and 1,587,645

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Solution

The third proportional to 758,745 and 1,587,645 is: 3,322,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,745 : 1,587,645 = 1,587,645 : x
  2. Step 2: Convert to fraction form
    758,745/1,587,645 = 1,587,645/x
  3. Step 3: Cross multiply
    758,745x = 1,587,645 × 1,587,645
  4. Step 4: Simplify right side
    758,745x = 2,520,616,646,025
  5. Step 5: Solve for x
    x = 2,520,616,646,025/758,745
  6. Step 6: Final answer
    x = 3,322,086.66

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.