Home / 432,334-690,663

Finding the Third Proportional to 432,334 and 690,663

Calculator

Solution

The third proportional to 432,334 and 690,663 is: 1,103,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,334 : 690,663 = 690,663 : x
  2. Step 2: Convert to fraction form
    432,334/690,663 = 690,663/x
  3. Step 3: Cross multiply
    432,334x = 690,663 × 690,663
  4. Step 4: Simplify right side
    432,334x = 477,015,379,569
  5. Step 5: Solve for x
    x = 477,015,379,569/432,334
  6. Step 6: Final answer
    x = 1,103,349.22

Related Problems

Find third proportional to 216,167 and 345,331.50
Half scale
Find third proportional to 864,668 and 1,381,326
Double scale
Find third proportional to 432,336 and 690,666
Similar ratio
Find third proportional to 648,501 and 1,035,994.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.