Home / 8,560-9,820

Finding the Third Proportional to 8,560 and 9,820

Calculator

Solution

The third proportional to 8,560 and 9,820 is: 11,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560 : 9,820 = 9,820 : x
  2. Step 2: Convert to fraction form
    8,560/9,820 = 9,820/x
  3. Step 3: Cross multiply
    8,560x = 9,820 × 9,820
  4. Step 4: Simplify right side
    8,560x = 96,432,400
  5. Step 5: Solve for x
    x = 96,432,400/8,560
  6. Step 6: Final answer
    x = 11,265.47

Related Problems

Find third proportional to 4,280 and 4,910
Half scale
Find third proportional to 17,120 and 19,640
Double scale
Find third proportional to 8,562 and 9,822
Similar ratio
Find third proportional to 12,840 and 14,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.