Home / 10,220-18,748

Finding the Third Proportional to 10,220 and 18,748

Calculator

Solution

The third proportional to 10,220 and 18,748 is: 34,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220 : 18,748 = 18,748 : x
  2. Step 2: Convert to fraction form
    10,220/18,748 = 18,748/x
  3. Step 3: Cross multiply
    10,220x = 18,748 × 18,748
  4. Step 4: Simplify right side
    10,220x = 351,487,504
  5. Step 5: Solve for x
    x = 351,487,504/10,220
  6. Step 6: Final answer
    x = 34,392.12

Related Problems

Find third proportional to 5,110 and 9,374
Half scale
Find third proportional to 20,440 and 37,496
Double scale
Find third proportional to 10,222 and 18,752
Similar ratio
Find third proportional to 15,330 and 28,122
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.