Home / 392,705-604,503

Finding the Third Proportional to 392,705 and 604,503

Calculator

Solution

The third proportional to 392,705 and 604,503 is: 930,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,705 : 604,503 = 604,503 : x
  2. Step 2: Convert to fraction form
    392,705/604,503 = 604,503/x
  3. Step 3: Cross multiply
    392,705x = 604,503 × 604,503
  4. Step 4: Simplify right side
    392,705x = 365,423,877,009
  5. Step 5: Solve for x
    x = 365,423,877,009/392,705
  6. Step 6: Final answer
    x = 930,530.24

Related Problems

Find third proportional to 196,352.50 and 302,251.50
Half scale
Find third proportional to 785,410 and 1,209,006
Double scale
Find third proportional to 392,707 and 604,506
Similar ratio
Find third proportional to 589,057.50 and 906,754.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.