Home / 423,372-913,218

Finding the Third Proportional to 423,372 and 913,218

Calculator

Solution

The third proportional to 423,372 and 913,218 is: 1,969,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,372 : 913,218 = 913,218 : x
  2. Step 2: Convert to fraction form
    423,372/913,218 = 913,218/x
  3. Step 3: Cross multiply
    423,372x = 913,218 × 913,218
  4. Step 4: Simplify right side
    423,372x = 833,967,115,524
  5. Step 5: Solve for x
    x = 833,967,115,524/423,372
  6. Step 6: Final answer
    x = 1,969,821.14

Related Problems

Find third proportional to 211,686 and 456,609
Half scale
Find third proportional to 846,744 and 1,826,436
Double scale
Find third proportional to 423,374 and 913,222
Similar ratio
Find third proportional to 635,058 and 1,369,827
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.