Home / 240,672-521,520

Finding the Third Proportional to 240,672 and 521,520

Calculator

Solution

The third proportional to 240,672 and 521,520 is: 1,130,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,672 : 521,520 = 521,520 : x
  2. Step 2: Convert to fraction form
    240,672/521,520 = 521,520/x
  3. Step 3: Cross multiply
    240,672x = 521,520 × 521,520
  4. Step 4: Simplify right side
    240,672x = 271,983,110,400
  5. Step 5: Solve for x
    x = 271,983,110,400/240,672
  6. Step 6: Final answer
    x = 1,130,098.68

Related Problems

Find third proportional to 120,336 and 260,760
Half scale
Find third proportional to 481,344 and 1,043,040
Double scale
Find third proportional to 240,674 and 521,524
Similar ratio
Find third proportional to 361,008 and 782,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.