Home / 3,020,419.13-4,387,987.69

Finding the Third Proportional to 3,020,419.13 and 4,387,987.69

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Solution

The third proportional to 3,020,419.13 and 4,387,987.69 is: 6,374,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,419.13 : 4,387,987.69 = 4,387,987.69 : x
  2. Step 2: Convert to fraction form
    3,020,419.13/4,387,987.69 = 4,387,987.69/x
  3. Step 3: Cross multiply
    3,020,419.13x = 4,387,987.69 × 4,387,987.69
  4. Step 4: Simplify right side
    3,020,419.13x = 19,254,435,945,651.60
  5. Step 5: Solve for x
    x = 19,254,435,945,651.60/3,020,419.13
  6. Step 6: Final answer
    x = 6,374,756.33

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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.