Home / 6,640-10,169

Finding the Third Proportional to 6,640 and 10,169

Calculator

Solution

The third proportional to 6,640 and 10,169 is: 15,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640 : 10,169 = 10,169 : x
  2. Step 2: Convert to fraction form
    6,640/10,169 = 10,169/x
  3. Step 3: Cross multiply
    6,640x = 10,169 × 10,169
  4. Step 4: Simplify right side
    6,640x = 103,408,561
  5. Step 5: Solve for x
    x = 103,408,561/6,640
  6. Step 6: Final answer
    x = 15,573.58

Related Problems

Find third proportional to 3,320 and 5,084.50
Half scale
Find third proportional to 13,280 and 20,338
Double scale
Find third proportional to 6,642 and 10,172
Similar ratio
Find third proportional to 9,960 and 15,253.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.