Home / 187,680-291,043

Finding the Third Proportional to 187,680 and 291,043

Calculator

Solution

The third proportional to 187,680 and 291,043 is: 451,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,680 : 291,043 = 291,043 : x
  2. Step 2: Convert to fraction form
    187,680/291,043 = 291,043/x
  3. Step 3: Cross multiply
    187,680x = 291,043 × 291,043
  4. Step 4: Simplify right side
    187,680x = 84,706,027,849
  5. Step 5: Solve for x
    x = 84,706,027,849/187,680
  6. Step 6: Final answer
    x = 451,332.20

Related Problems

Find third proportional to 93,840 and 145,521.50
Half scale
Find third proportional to 375,360 and 582,086
Double scale
Find third proportional to 187,682 and 291,046
Similar ratio
Find third proportional to 281,520 and 436,564.50
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.