Home / 382,176-817,920

Finding the Third Proportional to 382,176 and 817,920

Calculator

Solution

The third proportional to 382,176 and 817,920 is: 1,750,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,176 : 817,920 = 817,920 : x
  2. Step 2: Convert to fraction form
    382,176/817,920 = 817,920/x
  3. Step 3: Cross multiply
    382,176x = 817,920 × 817,920
  4. Step 4: Simplify right side
    382,176x = 668,993,126,400
  5. Step 5: Solve for x
    x = 668,993,126,400/382,176
  6. Step 6: Final answer
    x = 1,750,484.40

Related Problems

Find third proportional to 191,088 and 408,960
Half scale
Find third proportional to 764,352 and 1,635,840
Double scale
Find third proportional to 382,178 and 817,924
Similar ratio
Find third proportional to 573,264 and 1,226,880
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.