Home / 10,278-14,687

Finding the Third Proportional to 10,278 and 14,687

Calculator

Solution

The third proportional to 10,278 and 14,687 is: 20,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278 : 14,687 = 14,687 : x
  2. Step 2: Convert to fraction form
    10,278/14,687 = 14,687/x
  3. Step 3: Cross multiply
    10,278x = 14,687 × 14,687
  4. Step 4: Simplify right side
    10,278x = 215,707,969
  5. Step 5: Solve for x
    x = 215,707,969/10,278
  6. Step 6: Final answer
    x = 20,987.35

Related Problems

Find third proportional to 5,139 and 7,343.50
Half scale
Find third proportional to 20,556 and 29,374
Double scale
Find third proportional to 10,280 and 14,690
Similar ratio
Find third proportional to 15,417 and 22,030.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.