Home / 420,114-921,862

Finding the Third Proportional to 420,114 and 921,862

Calculator

Solution

The third proportional to 420,114 and 921,862 is: 2,022,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,114 : 921,862 = 921,862 : x
  2. Step 2: Convert to fraction form
    420,114/921,862 = 921,862/x
  3. Step 3: Cross multiply
    420,114x = 921,862 × 921,862
  4. Step 4: Simplify right side
    420,114x = 849,829,547,044
  5. Step 5: Solve for x
    x = 849,829,547,044/420,114
  6. Step 6: Final answer
    x = 2,022,854.62

Related Problems

Find third proportional to 210,057 and 460,931
Half scale
Find third proportional to 840,228 and 1,843,724
Double scale
Find third proportional to 420,116 and 921,866
Similar ratio
Find third proportional to 630,171 and 1,382,793
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.