Home / 207,985-297,210

Finding the Third Proportional to 207,985 and 297,210

Calculator

Solution

The third proportional to 207,985 and 297,210 is: 424,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,985 : 297,210 = 297,210 : x
  2. Step 2: Convert to fraction form
    207,985/297,210 = 297,210/x
  3. Step 3: Cross multiply
    207,985x = 297,210 × 297,210
  4. Step 4: Simplify right side
    207,985x = 88,333,784,100
  5. Step 5: Solve for x
    x = 88,333,784,100/207,985
  6. Step 6: Final answer
    x = 424,712.28

Related Problems

Find third proportional to 103,992.50 and 148,605
Half scale
Find third proportional to 415,970 and 594,420
Double scale
Find third proportional to 207,987 and 297,213
Similar ratio
Find third proportional to 311,977.50 and 445,815
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.