Home / 215,017-458,549

Finding the Third Proportional to 215,017 and 458,549

Calculator

Solution

The third proportional to 215,017 and 458,549 is: 977,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,017 : 458,549 = 458,549 : x
  2. Step 2: Convert to fraction form
    215,017/458,549 = 458,549/x
  3. Step 3: Cross multiply
    215,017x = 458,549 × 458,549
  4. Step 4: Simplify right side
    215,017x = 210,267,185,401
  5. Step 5: Solve for x
    x = 210,267,185,401/215,017
  6. Step 6: Final answer
    x = 977,909.59

Related Problems

Find third proportional to 107,508.50 and 229,274.50
Half scale
Find third proportional to 430,034 and 917,098
Double scale
Find third proportional to 215,019 and 458,553
Similar ratio
Find third proportional to 322,525.50 and 687,823.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.