Home / 9,180-19,788

Finding the Third Proportional to 9,180 and 19,788

Calculator

Solution

The third proportional to 9,180 and 19,788 is: 42,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180 : 19,788 = 19,788 : x
  2. Step 2: Convert to fraction form
    9,180/19,788 = 19,788/x
  3. Step 3: Cross multiply
    9,180x = 19,788 × 19,788
  4. Step 4: Simplify right side
    9,180x = 391,564,944
  5. Step 5: Solve for x
    x = 391,564,944/9,180
  6. Step 6: Final answer
    x = 42,654.13

Related Problems

Find third proportional to 4,590 and 9,894
Half scale
Find third proportional to 18,360 and 39,576
Double scale
Find third proportional to 9,182 and 19,792
Similar ratio
Find third proportional to 13,770 and 29,682
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.