Home / 328,948-717,392

Finding the Third Proportional to 328,948 and 717,392

Calculator

Solution

The third proportional to 328,948 and 717,392 is: 1,564,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,948 : 717,392 = 717,392 : x
  2. Step 2: Convert to fraction form
    328,948/717,392 = 717,392/x
  3. Step 3: Cross multiply
    328,948x = 717,392 × 717,392
  4. Step 4: Simplify right side
    328,948x = 514,651,281,664
  5. Step 5: Solve for x
    x = 514,651,281,664/328,948
  6. Step 6: Final answer
    x = 1,564,536.89

Related Problems

Find third proportional to 164,474 and 358,696
Half scale
Find third proportional to 657,896 and 1,434,784
Double scale
Find third proportional to 328,950 and 717,396
Similar ratio
Find third proportional to 493,422 and 1,076,088
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.