Home / 35,415-53,205

Finding the Third Proportional to 35,415 and 53,205

Calculator

Solution

The third proportional to 35,415 and 53,205 is: 79,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415 : 53,205 = 53,205 : x
  2. Step 2: Convert to fraction form
    35,415/53,205 = 53,205/x
  3. Step 3: Cross multiply
    35,415x = 53,205 × 53,205
  4. Step 4: Simplify right side
    35,415x = 2,830,772,025
  5. Step 5: Solve for x
    x = 2,830,772,025/35,415
  6. Step 6: Final answer
    x = 79,931.44

Related Problems

Find third proportional to 17,707.50 and 26,602.50
Half scale
Find third proportional to 70,830 and 106,410
Double scale
Find third proportional to 35,417 and 53,208
Similar ratio
Find third proportional to 53,122.50 and 79,807.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.