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Finding the Third Proportional to 132,826 and 286,636

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Solution

The third proportional to 132,826 and 286,636 is: 618,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,826 : 286,636 = 286,636 : x
  2. Step 2: Convert to fraction form
    132,826/286,636 = 286,636/x
  3. Step 3: Cross multiply
    132,826x = 286,636 × 286,636
  4. Step 4: Simplify right side
    132,826x = 82,160,196,496
  5. Step 5: Solve for x
    x = 82,160,196,496/132,826
  6. Step 6: Final answer
    x = 618,555.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.