Home / 8,672-9,376

Finding the Third Proportional to 8,672 and 9,376

Calculator

Solution

The third proportional to 8,672 and 9,376 is: 10,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672 : 9,376 = 9,376 : x
  2. Step 2: Convert to fraction form
    8,672/9,376 = 9,376/x
  3. Step 3: Cross multiply
    8,672x = 9,376 × 9,376
  4. Step 4: Simplify right side
    8,672x = 87,909,376
  5. Step 5: Solve for x
    x = 87,909,376/8,672
  6. Step 6: Final answer
    x = 10,137.15

Related Problems

Find third proportional to 4,336 and 4,688
Half scale
Find third proportional to 17,344 and 18,752
Double scale
Find third proportional to 8,674 and 9,378
Similar ratio
Find third proportional to 13,008 and 14,064
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.