Home / 402,624-867,072

Finding the Third Proportional to 402,624 and 867,072

Calculator

Solution

The third proportional to 402,624 and 867,072 is: 1,867,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,624 : 867,072 = 867,072 : x
  2. Step 2: Convert to fraction form
    402,624/867,072 = 867,072/x
  3. Step 3: Cross multiply
    402,624x = 867,072 × 867,072
  4. Step 4: Simplify right side
    402,624x = 751,813,853,184
  5. Step 5: Solve for x
    x = 751,813,853,184/402,624
  6. Step 6: Final answer
    x = 1,867,285.24

Related Problems

Find third proportional to 201,312 and 433,536
Half scale
Find third proportional to 805,248 and 1,734,144
Double scale
Find third proportional to 402,626 and 867,076
Similar ratio
Find third proportional to 603,936 and 1,300,608
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.