Home / 178,918-385,863

Finding the Third Proportional to 178,918 and 385,863

Calculator

Solution

The third proportional to 178,918 and 385,863 is: 832,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,918 : 385,863 = 385,863 : x
  2. Step 2: Convert to fraction form
    178,918/385,863 = 385,863/x
  3. Step 3: Cross multiply
    178,918x = 385,863 × 385,863
  4. Step 4: Simplify right side
    178,918x = 148,890,254,769
  5. Step 5: Solve for x
    x = 148,890,254,769/178,918
  6. Step 6: Final answer
    x = 832,170.35

Related Problems

Find third proportional to 89,459 and 192,931.50
Half scale
Find third proportional to 357,836 and 771,726
Double scale
Find third proportional to 178,920 and 385,867
Similar ratio
Find third proportional to 268,377 and 578,794.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.