Home / 87,280-133,457

Finding the Third Proportional to 87,280 and 133,457

Calculator

Solution

The third proportional to 87,280 and 133,457 is: 204,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,280 : 133,457 = 133,457 : x
  2. Step 2: Convert to fraction form
    87,280/133,457 = 133,457/x
  3. Step 3: Cross multiply
    87,280x = 133,457 × 133,457
  4. Step 4: Simplify right side
    87,280x = 17,810,770,849
  5. Step 5: Solve for x
    x = 17,810,770,849/87,280
  6. Step 6: Final answer
    x = 204,064.74

Related Problems

Find third proportional to 43,640 and 66,728.50
Half scale
Find third proportional to 174,560 and 266,914
Double scale
Find third proportional to 87,282 and 133,460
Similar ratio
Find third proportional to 130,920 and 200,185.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.