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Finding the Third Proportional to 314,612.25 and 681,712.50

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Solution

The third proportional to 314,612.25 and 681,712.50 is: 1,477,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,612.25 : 681,712.50 = 681,712.50 : x
  2. Step 2: Convert to fraction form
    314,612.25/681,712.50 = 681,712.50/x
  3. Step 3: Cross multiply
    314,612.25x = 681,712.50 × 681,712.50
  4. Step 4: Simplify right side
    314,612.25x = 464,731,932,656.25
  5. Step 5: Solve for x
    x = 464,731,932,656.25/314,612.25
  6. Step 6: Final answer
    x = 1,477,157.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.