Home / 491.63-714.38

Finding the Third Proportional to 491.63 and 714.38

Calculator

Solution

The third proportional to 491.63 and 714.38 is: 1,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.63 : 714.38 = 714.38 : x
  2. Step 2: Convert to fraction form
    491.63/714.38 = 714.38/x
  3. Step 3: Cross multiply
    491.63x = 714.38 × 714.38
  4. Step 4: Simplify right side
    491.63x = 510,331.64
  5. Step 5: Solve for x
    x = 510,331.64/491.63
  6. Step 6: Final answer
    x = 1,038.05

Related Problems

Find third proportional to 245.81 and 357.19
Half scale
Find third proportional to 983.25 and 1,428.75
Double scale
Find third proportional to 494 and 717
Similar ratio
Find third proportional to 737.44 and 1,071.56
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.