Home / 140,648-286,518

Finding the Third Proportional to 140,648 and 286,518

Calculator

Solution

The third proportional to 140,648 and 286,518 is: 583,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,648 : 286,518 = 286,518 : x
  2. Step 2: Convert to fraction form
    140,648/286,518 = 286,518/x
  3. Step 3: Cross multiply
    140,648x = 286,518 × 286,518
  4. Step 4: Simplify right side
    140,648x = 82,092,564,324
  5. Step 5: Solve for x
    x = 82,092,564,324/140,648
  6. Step 6: Final answer
    x = 583,673.88

Related Problems

Find third proportional to 70,324 and 143,259
Half scale
Find third proportional to 281,296 and 573,036
Double scale
Find third proportional to 140,650 and 286,522
Similar ratio
Find third proportional to 210,972 and 429,777
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.