Home / 442,474-686,284

Finding the Third Proportional to 442,474 and 686,284

Calculator

Solution

The third proportional to 442,474 and 686,284 is: 1,064,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,474 : 686,284 = 686,284 : x
  2. Step 2: Convert to fraction form
    442,474/686,284 = 686,284/x
  3. Step 3: Cross multiply
    442,474x = 686,284 × 686,284
  4. Step 4: Simplify right side
    442,474x = 470,985,728,656
  5. Step 5: Solve for x
    x = 470,985,728,656/442,474
  6. Step 6: Final answer
    x = 1,064,437.07

Related Problems

Find third proportional to 221,237 and 343,142
Half scale
Find third proportional to 884,948 and 1,372,568
Double scale
Find third proportional to 442,476 and 686,287
Similar ratio
Find third proportional to 663,711 and 1,029,426
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.