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Finding the Third Proportional to 132,829 and 286,648

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Solution

The third proportional to 132,829 and 286,648 is: 618,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,829 : 286,648 = 286,648 : x
  2. Step 2: Convert to fraction form
    132,829/286,648 = 286,648/x
  3. Step 3: Cross multiply
    132,829x = 286,648 × 286,648
  4. Step 4: Simplify right side
    132,829x = 82,167,075,904
  5. Step 5: Solve for x
    x = 82,167,075,904/132,829
  6. Step 6: Final answer
    x = 618,592.90

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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.