Home / 178,235-371,213

Finding the Third Proportional to 178,235 and 371,213

Calculator

Solution

The third proportional to 178,235 and 371,213 is: 773,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,235 : 371,213 = 371,213 : x
  2. Step 2: Convert to fraction form
    178,235/371,213 = 371,213/x
  3. Step 3: Cross multiply
    178,235x = 371,213 × 371,213
  4. Step 4: Simplify right side
    178,235x = 137,799,091,369
  5. Step 5: Solve for x
    x = 137,799,091,369/178,235
  6. Step 6: Final answer
    x = 773,131.49

Related Problems

Find third proportional to 89,117.50 and 185,606.50
Half scale
Find third proportional to 356,470 and 742,426
Double scale
Find third proportional to 178,237 and 371,217
Similar ratio
Find third proportional to 267,352.50 and 556,819.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.