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Finding the Third Proportional to 699,615 and 1,080,342

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Solution

The third proportional to 699,615 and 1,080,342 is: 1,668,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,615 : 1,080,342 = 1,080,342 : x
  2. Step 2: Convert to fraction form
    699,615/1,080,342 = 1,080,342/x
  3. Step 3: Cross multiply
    699,615x = 1,080,342 × 1,080,342
  4. Step 4: Simplify right side
    699,615x = 1,167,138,836,964
  5. Step 5: Solve for x
    x = 1,167,138,836,964/699,615
  6. Step 6: Final answer
    x = 1,668,258.74

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.