Home / 308,490-625,566

Finding the Third Proportional to 308,490 and 625,566

Calculator

Solution

The third proportional to 308,490 and 625,566 is: 1,268,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,490 : 625,566 = 625,566 : x
  2. Step 2: Convert to fraction form
    308,490/625,566 = 625,566/x
  3. Step 3: Cross multiply
    308,490x = 625,566 × 625,566
  4. Step 4: Simplify right side
    308,490x = 391,332,820,356
  5. Step 5: Solve for x
    x = 391,332,820,356/308,490
  6. Step 6: Final answer
    x = 1,268,542.97

Related Problems

Find third proportional to 154,245 and 312,783
Half scale
Find third proportional to 616,980 and 1,251,132
Double scale
Find third proportional to 308,492 and 625,570
Similar ratio
Find third proportional to 462,735 and 938,349
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.