Home / 178,972.50-385,980

Finding the Third Proportional to 178,972.50 and 385,980

Calculator

Solution

The third proportional to 178,972.50 and 385,980 is: 832,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,972.50 : 385,980 = 385,980 : x
  2. Step 2: Convert to fraction form
    178,972.50/385,980 = 385,980/x
  3. Step 3: Cross multiply
    178,972.50x = 385,980 × 385,980
  4. Step 4: Simplify right side
    178,972.50x = 148,980,560,400
  5. Step 5: Solve for x
    x = 148,980,560,400/178,972.50
  6. Step 6: Final answer
    x = 832,421.52

Related Problems

Find third proportional to 89,486.25 and 192,990
Half scale
Find third proportional to 357,945 and 771,960
Double scale
Find third proportional to 178,975 and 385,984
Similar ratio
Find third proportional to 268,458.75 and 578,970
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.