Home / 240,657-487,155

Finding the Third Proportional to 240,657 and 487,155

Calculator

Solution

The third proportional to 240,657 and 487,155 is: 986,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,657 : 487,155 = 487,155 : x
  2. Step 2: Convert to fraction form
    240,657/487,155 = 487,155/x
  3. Step 3: Cross multiply
    240,657x = 487,155 × 487,155
  4. Step 4: Simplify right side
    240,657x = 237,319,994,025
  5. Step 5: Solve for x
    x = 237,319,994,025/240,657
  6. Step 6: Final answer
    x = 986,133.77

Related Problems

Find third proportional to 120,328.50 and 243,577.50
Half scale
Find third proportional to 481,314 and 974,310
Double scale
Find third proportional to 240,659 and 487,159
Similar ratio
Find third proportional to 360,985.50 and 730,732.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.