Home / 356,468-742,423

Finding the Third Proportional to 356,468 and 742,423

Calculator

Solution

The third proportional to 356,468 and 742,423 is: 1,546,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,468 : 742,423 = 742,423 : x
  2. Step 2: Convert to fraction form
    356,468/742,423 = 742,423/x
  3. Step 3: Cross multiply
    356,468x = 742,423 × 742,423
  4. Step 4: Simplify right side
    356,468x = 551,191,910,929
  5. Step 5: Solve for x
    x = 551,191,910,929/356,468
  6. Step 6: Final answer
    x = 1,546,259.16

Related Problems

Find third proportional to 178,234 and 371,211.50
Half scale
Find third proportional to 712,936 and 1,484,846
Double scale
Find third proportional to 356,470 and 742,427
Similar ratio
Find third proportional to 534,702 and 1,113,634.50
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.