Home / 8,562-18,717

Finding the Third Proportional to 8,562 and 18,717

Calculator

Solution

The third proportional to 8,562 and 18,717 is: 40,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562 : 18,717 = 18,717 : x
  2. Step 2: Convert to fraction form
    8,562/18,717 = 18,717/x
  3. Step 3: Cross multiply
    8,562x = 18,717 × 18,717
  4. Step 4: Simplify right side
    8,562x = 350,326,089
  5. Step 5: Solve for x
    x = 350,326,089/8,562
  6. Step 6: Final answer
    x = 40,916.39

Related Problems

Find third proportional to 4,281 and 9,358.50
Half scale
Find third proportional to 17,124 and 37,434
Double scale
Find third proportional to 8,564 and 18,721
Similar ratio
Find third proportional to 12,843 and 28,075.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.