Home / 402,490-838,049

Finding the Third Proportional to 402,490 and 838,049

Calculator

Solution

The third proportional to 402,490 and 838,049 is: 1,744,952.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,490 : 838,049 = 838,049 : x
  2. Step 2: Convert to fraction form
    402,490/838,049 = 838,049/x
  3. Step 3: Cross multiply
    402,490x = 838,049 × 838,049
  4. Step 4: Simplify right side
    402,490x = 702,326,126,401
  5. Step 5: Solve for x
    x = 702,326,126,401/402,490
  6. Step 6: Final answer
    x = 1,744,952.98

Related Problems

Find third proportional to 201,245 and 419,024.50
Half scale
Find third proportional to 804,980 and 1,676,098
Double scale
Find third proportional to 402,492 and 838,053
Similar ratio
Find third proportional to 603,735 and 1,257,073.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.