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Finding the Third Proportional to 430,646 and 661,034

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Solution

The third proportional to 430,646 and 661,034 is: 1,014,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,646 : 661,034 = 661,034 : x
  2. Step 2: Convert to fraction form
    430,646/661,034 = 661,034/x
  3. Step 3: Cross multiply
    430,646x = 661,034 × 661,034
  4. Step 4: Simplify right side
    430,646x = 436,965,949,156
  5. Step 5: Solve for x
    x = 436,965,949,156/430,646
  6. Step 6: Final answer
    x = 1,014,675.51

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.