Home / 328,392-709,172

Finding the Third Proportional to 328,392 and 709,172

Calculator

Solution

The third proportional to 328,392 and 709,172 is: 1,531,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,392 : 709,172 = 709,172 : x
  2. Step 2: Convert to fraction form
    328,392/709,172 = 709,172/x
  3. Step 3: Cross multiply
    328,392x = 709,172 × 709,172
  4. Step 4: Simplify right side
    328,392x = 502,924,925,584
  5. Step 5: Solve for x
    x = 502,924,925,584/328,392
  6. Step 6: Final answer
    x = 1,531,477.40

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.