Home / 8,770-13,579

Finding the Third Proportional to 8,770 and 13,579

Calculator

Solution

The third proportional to 8,770 and 13,579 is: 21,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770 : 13,579 = 13,579 : x
  2. Step 2: Convert to fraction form
    8,770/13,579 = 13,579/x
  3. Step 3: Cross multiply
    8,770x = 13,579 × 13,579
  4. Step 4: Simplify right side
    8,770x = 184,389,241
  5. Step 5: Solve for x
    x = 184,389,241/8,770
  6. Step 6: Final answer
    x = 21,025.00

Related Problems

Find third proportional to 4,385 and 6,789.50
Half scale
Find third proportional to 17,540 and 27,158
Double scale
Find third proportional to 8,772 and 13,582
Similar ratio
Find third proportional to 13,155 and 20,368.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.