Home / 88,642-189,740

Finding the Third Proportional to 88,642 and 189,740

Calculator

Solution

The third proportional to 88,642 and 189,740 is: 406,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,642 : 189,740 = 189,740 : x
  2. Step 2: Convert to fraction form
    88,642/189,740 = 189,740/x
  3. Step 3: Cross multiply
    88,642x = 189,740 × 189,740
  4. Step 4: Simplify right side
    88,642x = 36,001,267,600
  5. Step 5: Solve for x
    x = 36,001,267,600/88,642
  6. Step 6: Final answer
    x = 406,142.32

Related Problems

Find third proportional to 44,321 and 94,870
Half scale
Find third proportional to 177,284 and 379,480
Double scale
Find third proportional to 88,644 and 189,744
Similar ratio
Find third proportional to 132,963 and 284,610
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.