Home / 187,817-291,272

Finding the Third Proportional to 187,817 and 291,272

Calculator

Solution

The third proportional to 187,817 and 291,272 is: 451,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,817 : 291,272 = 291,272 : x
  2. Step 2: Convert to fraction form
    187,817/291,272 = 291,272/x
  3. Step 3: Cross multiply
    187,817x = 291,272 × 291,272
  4. Step 4: Simplify right side
    187,817x = 84,839,377,984
  5. Step 5: Solve for x
    x = 84,839,377,984/187,817
  6. Step 6: Final answer
    x = 451,712.99

Related Problems

Find third proportional to 93,908.50 and 145,636
Half scale
Find third proportional to 375,634 and 582,544
Double scale
Find third proportional to 187,819 and 291,275
Similar ratio
Find third proportional to 281,725.50 and 436,908
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.