Home / 12,730-18,727

Finding the Third Proportional to 12,730 and 18,727

Calculator

Solution

The third proportional to 12,730 and 18,727 is: 27,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730 : 18,727 = 18,727 : x
  2. Step 2: Convert to fraction form
    12,730/18,727 = 18,727/x
  3. Step 3: Cross multiply
    12,730x = 18,727 × 18,727
  4. Step 4: Simplify right side
    12,730x = 350,700,529
  5. Step 5: Solve for x
    x = 350,700,529/12,730
  6. Step 6: Final answer
    x = 27,549.14

Related Problems

Find third proportional to 6,365 and 9,363.50
Half scale
Find third proportional to 25,460 and 37,454
Double scale
Find third proportional to 12,732 and 18,730
Similar ratio
Find third proportional to 19,095 and 28,090.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.