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Finding the Third Proportional to 686,342.11 and 1,043,506.55

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Solution

The third proportional to 686,342.11 and 1,043,506.55 is: 1,586,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,342.11 : 1,043,506.55 = 1,043,506.55 : x
  2. Step 2: Convert to fraction form
    686,342.11/1,043,506.55 = 1,043,506.55/x
  3. Step 3: Cross multiply
    686,342.11x = 1,043,506.55 × 1,043,506.55
  4. Step 4: Simplify right side
    686,342.11x = 1,088,905,913,370.99
  5. Step 5: Solve for x
    x = 1,088,905,913,370.99/686,342.11
  6. Step 6: Final answer
    x = 1,586,535.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.