Home / 288,384-385,756

Finding the Third Proportional to 288,384 and 385,756

Calculator

Solution

The third proportional to 288,384 and 385,756 is: 516,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,384 : 385,756 = 385,756 : x
  2. Step 2: Convert to fraction form
    288,384/385,756 = 385,756/x
  3. Step 3: Cross multiply
    288,384x = 385,756 × 385,756
  4. Step 4: Simplify right side
    288,384x = 148,807,691,536
  5. Step 5: Solve for x
    x = 148,807,691,536/288,384
  6. Step 6: Final answer
    x = 516,005.37

Related Problems

Find third proportional to 144,192 and 192,878
Half scale
Find third proportional to 576,768 and 771,512
Double scale
Find third proportional to 288,386 and 385,759
Similar ratio
Find third proportional to 432,576 and 578,634
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.