Home / 368,499-781,285

Finding the Third Proportional to 368,499 and 781,285

Calculator

Solution

The third proportional to 368,499 and 781,285 is: 1,656,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,499 : 781,285 = 781,285 : x
  2. Step 2: Convert to fraction form
    368,499/781,285 = 781,285/x
  3. Step 3: Cross multiply
    368,499x = 781,285 × 781,285
  4. Step 4: Simplify right side
    368,499x = 610,406,251,225
  5. Step 5: Solve for x
    x = 610,406,251,225/368,499
  6. Step 6: Final answer
    x = 1,656,466.51

Related Problems

Find third proportional to 184,249.50 and 390,642.50
Half scale
Find third proportional to 736,998 and 1,562,570
Double scale
Find third proportional to 368,501 and 781,289
Similar ratio
Find third proportional to 552,748.50 and 1,171,927.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.