Home / 378,355-564,252

Finding the Third Proportional to 378,355 and 564,252

Calculator

Solution

The third proportional to 378,355 and 564,252 is: 841,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,355 : 564,252 = 564,252 : x
  2. Step 2: Convert to fraction form
    378,355/564,252 = 564,252/x
  3. Step 3: Cross multiply
    378,355x = 564,252 × 564,252
  4. Step 4: Simplify right side
    378,355x = 318,380,319,504
  5. Step 5: Solve for x
    x = 318,380,319,504/378,355
  6. Step 6: Final answer
    x = 841,485.69

Related Problems

Find third proportional to 189,177.50 and 282,126
Half scale
Find third proportional to 756,710 and 1,128,504
Double scale
Find third proportional to 378,357 and 564,255
Similar ratio
Find third proportional to 567,532.50 and 846,378
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.