Home / 187,131-402,281

Finding the Third Proportional to 187,131 and 402,281

Calculator

Solution

The third proportional to 187,131 and 402,281 is: 864,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,131 : 402,281 = 402,281 : x
  2. Step 2: Convert to fraction form
    187,131/402,281 = 402,281/x
  3. Step 3: Cross multiply
    187,131x = 402,281 × 402,281
  4. Step 4: Simplify right side
    187,131x = 161,830,002,961
  5. Step 5: Solve for x
    x = 161,830,002,961/187,131
  6. Step 6: Final answer
    x = 864,795.27

Related Problems

Find third proportional to 93,565.50 and 201,140.50
Half scale
Find third proportional to 374,262 and 804,562
Double scale
Find third proportional to 187,133 and 402,285
Similar ratio
Find third proportional to 280,696.50 and 603,421.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.