Home / 310,372-474,574

Finding the Third Proportional to 310,372 and 474,574

Calculator

Solution

The third proportional to 310,372 and 474,574 is: 725,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,372 : 474,574 = 474,574 : x
  2. Step 2: Convert to fraction form
    310,372/474,574 = 474,574/x
  3. Step 3: Cross multiply
    310,372x = 474,574 × 474,574
  4. Step 4: Simplify right side
    310,372x = 225,220,481,476
  5. Step 5: Solve for x
    x = 225,220,481,476/310,372
  6. Step 6: Final answer
    x = 725,646.91

Related Problems

Find third proportional to 155,186 and 237,287
Half scale
Find third proportional to 620,744 and 949,148
Double scale
Find third proportional to 310,374 and 474,577
Similar ratio
Find third proportional to 465,558 and 711,861
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.