Home / 420,164-921,958

Finding the Third Proportional to 420,164 and 921,958

Calculator

Solution

The third proportional to 420,164 and 921,958 is: 2,023,035.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,164 : 921,958 = 921,958 : x
  2. Step 2: Convert to fraction form
    420,164/921,958 = 921,958/x
  3. Step 3: Cross multiply
    420,164x = 921,958 × 921,958
  4. Step 4: Simplify right side
    420,164x = 850,006,553,764
  5. Step 5: Solve for x
    x = 850,006,553,764/420,164
  6. Step 6: Final answer
    x = 2,023,035.18

Related Problems

Find third proportional to 210,082 and 460,979
Half scale
Find third proportional to 840,328 and 1,843,916
Double scale
Find third proportional to 420,166 and 921,962
Similar ratio
Find third proportional to 630,246 and 1,382,937
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.