Home / 315,568-684,637

Finding the Third Proportional to 315,568 and 684,637

Calculator

Solution

The third proportional to 315,568 and 684,637 is: 1,485,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,568 : 684,637 = 684,637 : x
  2. Step 2: Convert to fraction form
    315,568/684,637 = 684,637/x
  3. Step 3: Cross multiply
    315,568x = 684,637 × 684,637
  4. Step 4: Simplify right side
    315,568x = 468,727,821,769
  5. Step 5: Solve for x
    x = 468,727,821,769/315,568
  6. Step 6: Final answer
    x = 1,485,346.49

Related Problems

Find third proportional to 157,784 and 342,318.50
Half scale
Find third proportional to 631,136 and 1,369,274
Double scale
Find third proportional to 315,570 and 684,641
Similar ratio
Find third proportional to 473,352 and 1,026,955.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.