Home / 310,088-669,744

Finding the Third Proportional to 310,088 and 669,744

Calculator

Solution

The third proportional to 310,088 and 669,744 is: 1,446,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,088 : 669,744 = 669,744 : x
  2. Step 2: Convert to fraction form
    310,088/669,744 = 669,744/x
  3. Step 3: Cross multiply
    310,088x = 669,744 × 669,744
  4. Step 4: Simplify right side
    310,088x = 448,557,025,536
  5. Step 5: Solve for x
    x = 448,557,025,536/310,088
  6. Step 6: Final answer
    x = 1,446,547.51

Related Problems

Find third proportional to 155,044 and 334,872
Half scale
Find third proportional to 620,176 and 1,339,488
Double scale
Find third proportional to 310,090 and 669,748
Similar ratio
Find third proportional to 465,132 and 1,004,616
1.5x scale

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.