Home / 817,920-1,239,552

Finding the Third Proportional to 817,920 and 1,239,552

Calculator

Solution

The third proportional to 817,920 and 1,239,552 is: 1,878,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,920 : 1,239,552 = 1,239,552 : x
  2. Step 2: Convert to fraction form
    817,920/1,239,552 = 1,239,552/x
  3. Step 3: Cross multiply
    817,920x = 1,239,552 × 1,239,552
  4. Step 4: Simplify right side
    817,920x = 1,536,489,160,704
  5. Step 5: Solve for x
    x = 1,536,489,160,704/817,920
  6. Step 6: Final answer
    x = 1,878,532.33

Related Problems

Find third proportional to 408,960 and 619,776
Half scale
Find third proportional to 1,635,840 and 2,479,104
Double scale
Find third proportional to 817,922 and 1,239,555
Similar ratio
Find third proportional to 1,226,880 and 1,859,328
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.