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Finding the Third Proportional to 1,680,630 and 2,540,955

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Solution

The third proportional to 1,680,630 and 2,540,955 is: 3,841,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,630 : 2,540,955 = 2,540,955 : x
  2. Step 2: Convert to fraction form
    1,680,630/2,540,955 = 2,540,955/x
  3. Step 3: Cross multiply
    1,680,630x = 2,540,955 × 2,540,955
  4. Step 4: Simplify right side
    1,680,630x = 6,456,452,312,025
  5. Step 5: Solve for x
    x = 6,456,452,312,025/1,680,630
  6. Step 6: Final answer
    x = 3,841,685.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.