Home / 297,822-642,297

Finding the Third Proportional to 297,822 and 642,297

Calculator

Solution

The third proportional to 297,822 and 642,297 is: 1,385,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,822 : 642,297 = 642,297 : x
  2. Step 2: Convert to fraction form
    297,822/642,297 = 642,297/x
  3. Step 3: Cross multiply
    297,822x = 642,297 × 642,297
  4. Step 4: Simplify right side
    297,822x = 412,545,436,209
  5. Step 5: Solve for x
    x = 412,545,436,209/297,822
  6. Step 6: Final answer
    x = 1,385,208.06

Related Problems

Find third proportional to 148,911 and 321,148.50
Half scale
Find third proportional to 595,644 and 1,284,594
Double scale
Find third proportional to 297,824 and 642,301
Similar ratio
Find third proportional to 446,733 and 963,445.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.