Home / 356,467-742,421

Finding the Third Proportional to 356,467 and 742,421

Calculator

Solution

The third proportional to 356,467 and 742,421 is: 1,546,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,467 : 742,421 = 742,421 : x
  2. Step 2: Convert to fraction form
    356,467/742,421 = 742,421/x
  3. Step 3: Cross multiply
    356,467x = 742,421 × 742,421
  4. Step 4: Simplify right side
    356,467x = 551,188,941,241
  5. Step 5: Solve for x
    x = 551,188,941,241/356,467
  6. Step 6: Final answer
    x = 1,546,255.17

Related Problems

Find third proportional to 178,233.50 and 371,210.50
Half scale
Find third proportional to 712,934 and 1,484,842
Double scale
Find third proportional to 356,469 and 742,425
Similar ratio
Find third proportional to 534,700.50 and 1,113,631.50
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.