Home / 125,213-187,820

Finding the Third Proportional to 125,213 and 187,820

Calculator

Solution

The third proportional to 125,213 and 187,820 is: 281,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,213 : 187,820 = 187,820 : x
  2. Step 2: Convert to fraction form
    125,213/187,820 = 187,820/x
  3. Step 3: Cross multiply
    125,213x = 187,820 × 187,820
  4. Step 4: Simplify right side
    125,213x = 35,276,352,400
  5. Step 5: Solve for x
    x = 35,276,352,400/125,213
  6. Step 6: Final answer
    x = 281,730.75

Related Problems

Find third proportional to 62,606.50 and 93,910
Half scale
Find third proportional to 250,426 and 375,640
Double scale
Find third proportional to 125,215 and 187,823
Similar ratio
Find third proportional to 187,819.50 and 281,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.