Home / 420,149-921,933

Finding the Third Proportional to 420,149 and 921,933

Calculator

Solution

The third proportional to 420,149 and 921,933 is: 2,022,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,149 : 921,933 = 921,933 : x
  2. Step 2: Convert to fraction form
    420,149/921,933 = 921,933/x
  3. Step 3: Cross multiply
    420,149x = 921,933 × 921,933
  4. Step 4: Simplify right side
    420,149x = 849,960,456,489
  5. Step 5: Solve for x
    x = 849,960,456,489/420,149
  6. Step 6: Final answer
    x = 2,022,997.69

Related Problems

Find third proportional to 210,074.50 and 460,966.50
Half scale
Find third proportional to 840,298 and 1,843,866
Double scale
Find third proportional to 420,151 and 921,937
Similar ratio
Find third proportional to 630,223.50 and 1,382,899.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.