Home / 115,688-253,516

Finding the Third Proportional to 115,688 and 253,516

Calculator

Solution

The third proportional to 115,688 and 253,516 is: 555,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,688 : 253,516 = 253,516 : x
  2. Step 2: Convert to fraction form
    115,688/253,516 = 253,516/x
  3. Step 3: Cross multiply
    115,688x = 253,516 × 253,516
  4. Step 4: Simplify right side
    115,688x = 64,270,362,256
  5. Step 5: Solve for x
    x = 64,270,362,256/115,688
  6. Step 6: Final answer
    x = 555,549.08

Related Problems

Find third proportional to 57,844 and 126,758
Half scale
Find third proportional to 231,376 and 507,032
Double scale
Find third proportional to 115,690 and 253,520
Similar ratio
Find third proportional to 173,532 and 380,274
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.