Home / 187,322-401,440

Finding the Third Proportional to 187,322 and 401,440

Calculator

Solution

The third proportional to 187,322 and 401,440 is: 860,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,322 : 401,440 = 401,440 : x
  2. Step 2: Convert to fraction form
    187,322/401,440 = 401,440/x
  3. Step 3: Cross multiply
    187,322x = 401,440 × 401,440
  4. Step 4: Simplify right side
    187,322x = 161,154,073,600
  5. Step 5: Solve for x
    x = 161,154,073,600/187,322
  6. Step 6: Final answer
    x = 860,305.11

Related Problems

Find third proportional to 93,661 and 200,720
Half scale
Find third proportional to 374,644 and 802,880
Double scale
Find third proportional to 187,324 and 401,444
Similar ratio
Find third proportional to 280,983 and 602,160
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.