Home / 545,220-827,640

Finding the Third Proportional to 545,220 and 827,640

Calculator

Solution

The third proportional to 545,220 and 827,640 is: 1,256,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,220 : 827,640 = 827,640 : x
  2. Step 2: Convert to fraction form
    545,220/827,640 = 827,640/x
  3. Step 3: Cross multiply
    545,220x = 827,640 × 827,640
  4. Step 4: Simplify right side
    545,220x = 684,987,969,600
  5. Step 5: Solve for x
    x = 684,987,969,600/545,220
  6. Step 6: Final answer
    x = 1,256,351.51

Related Problems

Find third proportional to 272,610 and 413,820
Half scale
Find third proportional to 1,090,440 and 1,655,280
Double scale
Find third proportional to 545,222 and 827,643
Similar ratio
Find third proportional to 817,830 and 1,241,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.