Home / 13,124,978-20,542,338

Finding the Third Proportional to 13,124,978 and 20,542,338

Calculator

Solution

The third proportional to 13,124,978 and 20,542,338 is: 32,151,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,978 : 20,542,338 = 20,542,338 : x
  2. Step 2: Convert to fraction form
    13,124,978/20,542,338 = 20,542,338/x
  3. Step 3: Cross multiply
    13,124,978x = 20,542,338 × 20,542,338
  4. Step 4: Simplify right side
    13,124,978x = 421,987,650,506,244
  5. Step 5: Solve for x
    x = 421,987,650,506,244/13,124,978
  6. Step 6: Final answer
    x = 32,151,493.93

Related Problems

Find third proportional to 6,562,489 and 10,271,169
Half scale
Find third proportional to 26,249,956 and 41,084,676
Double scale
Find third proportional to 13,124,980 and 20,542,341
Similar ratio
Find third proportional to 19,687,467 and 30,813,507
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.