Home / 432,335-690,664.50

Finding the Third Proportional to 432,335 and 690,664.50

Calculator

Solution

The third proportional to 432,335 and 690,664.50 is: 1,103,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,335 : 690,664.50 = 690,664.50 : x
  2. Step 2: Convert to fraction form
    432,335/690,664.50 = 690,664.50/x
  3. Step 3: Cross multiply
    432,335x = 690,664.50 × 690,664.50
  4. Step 4: Simplify right side
    432,335x = 477,017,451,560.25
  5. Step 5: Solve for x
    x = 477,017,451,560.25/432,335
  6. Step 6: Final answer
    x = 1,103,351.46

Related Problems

Find third proportional to 216,167.50 and 345,332.25
Half scale
Find third proportional to 864,670 and 1,381,329
Double scale
Find third proportional to 432,337 and 690,668
Similar ratio
Find third proportional to 648,502.50 and 1,035,996.75
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.