Home / 486,267-781,299

Finding the Third Proportional to 486,267 and 781,299

Calculator

Solution

The third proportional to 486,267 and 781,299 is: 1,255,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,267 : 781,299 = 781,299 : x
  2. Step 2: Convert to fraction form
    486,267/781,299 = 781,299/x
  3. Step 3: Cross multiply
    486,267x = 781,299 × 781,299
  4. Step 4: Simplify right side
    486,267x = 610,428,127,401
  5. Step 5: Solve for x
    x = 610,428,127,401/486,267
  6. Step 6: Final answer
    x = 1,255,335.29

Related Problems

Find third proportional to 243,133.50 and 390,649.50
Half scale
Find third proportional to 972,534 and 1,562,598
Double scale
Find third proportional to 486,269 and 781,302
Similar ratio
Find third proportional to 729,400.50 and 1,171,948.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.