Home / 30,858,799.50-42,031,122.75

Finding the Third Proportional to 30,858,799.50 and 42,031,122.75

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Solution

The third proportional to 30,858,799.50 and 42,031,122.75 is: 57,248,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858,799.50 : 42,031,122.75 = 42,031,122.75 : x
  2. Step 2: Convert to fraction form
    30,858,799.50/42,031,122.75 = 42,031,122.75/x
  3. Step 3: Cross multiply
    30,858,799.50x = 42,031,122.75 × 42,031,122.75
  4. Step 4: Simplify right side
    30,858,799.50x = 1,766,615,279,625,567.50
  5. Step 5: Solve for x
    x = 1,766,615,279,625,567.50/30,858,799.50
  6. Step 6: Final answer
    x = 57,248,347.58

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.