Home / 328,990.50-717,435

Finding the Third Proportional to 328,990.50 and 717,435

Calculator

Solution

The third proportional to 328,990.50 and 717,435 is: 1,564,522.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,990.50 : 717,435 = 717,435 : x
  2. Step 2: Convert to fraction form
    328,990.50/717,435 = 717,435/x
  3. Step 3: Cross multiply
    328,990.50x = 717,435 × 717,435
  4. Step 4: Simplify right side
    328,990.50x = 514,712,979,225
  5. Step 5: Solve for x
    x = 514,712,979,225/328,990.50
  6. Step 6: Final answer
    x = 1,564,522.32

Related Problems

Find third proportional to 164,495.25 and 358,717.50
Half scale
Find third proportional to 657,981 and 1,434,870
Double scale
Find third proportional to 328,993 and 717,439
Similar ratio
Find third proportional to 493,485.75 and 1,076,152.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.