Home / 425,979-918,540

Finding the Third Proportional to 425,979 and 918,540

Calculator

Solution

The third proportional to 425,979 and 918,540 is: 1,980,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,979 : 918,540 = 918,540 : x
  2. Step 2: Convert to fraction form
    425,979/918,540 = 918,540/x
  3. Step 3: Cross multiply
    425,979x = 918,540 × 918,540
  4. Step 4: Simplify right side
    425,979x = 843,715,731,600
  5. Step 5: Solve for x
    x = 843,715,731,600/425,979
  6. Step 6: Final answer
    x = 1,980,651.00

Related Problems

Find third proportional to 212,989.50 and 459,270
Half scale
Find third proportional to 851,958 and 1,837,080
Double scale
Find third proportional to 425,981 and 918,544
Similar ratio
Find third proportional to 638,968.50 and 1,377,810
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.