Home / 38,583-79,470

Finding the Third Proportional to 38,583 and 79,470

Calculator

Solution

The third proportional to 38,583 and 79,470 is: 163,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583 : 79,470 = 79,470 : x
  2. Step 2: Convert to fraction form
    38,583/79,470 = 79,470/x
  3. Step 3: Cross multiply
    38,583x = 79,470 × 79,470
  4. Step 4: Simplify right side
    38,583x = 6,315,480,900
  5. Step 5: Solve for x
    x = 6,315,480,900/38,583
  6. Step 6: Final answer
    x = 163,685.58

Related Problems

Find third proportional to 19,291.50 and 39,735
Half scale
Find third proportional to 77,166 and 158,940
Double scale
Find third proportional to 38,585 and 79,474
Similar ratio
Find third proportional to 57,874.50 and 119,205
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.