Home / 553,626-867,343

Finding the Third Proportional to 553,626 and 867,343

Calculator

Solution

The third proportional to 553,626 and 867,343 is: 1,358,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,626 : 867,343 = 867,343 : x
  2. Step 2: Convert to fraction form
    553,626/867,343 = 867,343/x
  3. Step 3: Cross multiply
    553,626x = 867,343 × 867,343
  4. Step 4: Simplify right side
    553,626x = 752,283,879,649
  5. Step 5: Solve for x
    x = 752,283,879,649/553,626
  6. Step 6: Final answer
    x = 1,358,830.47

Related Problems

Find third proportional to 276,813 and 433,671.50
Half scale
Find third proportional to 1,107,252 and 1,734,686
Double scale
Find third proportional to 553,628 and 867,346
Similar ratio
Find third proportional to 830,439 and 1,301,014.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.