Home / 553,048-879,385

Finding the Third Proportional to 553,048 and 879,385

Calculator

Solution

The third proportional to 553,048 and 879,385 is: 1,398,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,048 : 879,385 = 879,385 : x
  2. Step 2: Convert to fraction form
    553,048/879,385 = 879,385/x
  3. Step 3: Cross multiply
    553,048x = 879,385 × 879,385
  4. Step 4: Simplify right side
    553,048x = 773,317,978,225
  5. Step 5: Solve for x
    x = 773,317,978,225/553,048
  6. Step 6: Final answer
    x = 1,398,283.65

Related Problems

Find third proportional to 276,524 and 439,692.50
Half scale
Find third proportional to 1,106,096 and 1,758,770
Double scale
Find third proportional to 553,050 and 879,388
Similar ratio
Find third proportional to 829,572 and 1,319,077.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.