Home / 19,965,878.50-30,670,031.75

Finding the Third Proportional to 19,965,878.50 and 30,670,031.75

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Solution

The third proportional to 19,965,878.50 and 30,670,031.75 is: 47,112,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965,878.50 : 30,670,031.75 = 30,670,031.75 : x
  2. Step 2: Convert to fraction form
    19,965,878.50/30,670,031.75 = 30,670,031.75/x
  3. Step 3: Cross multiply
    19,965,878.50x = 30,670,031.75 × 30,670,031.75
  4. Step 4: Simplify right side
    19,965,878.50x = 940,650,847,546,008
  5. Step 5: Solve for x
    x = 940,650,847,546,008/19,965,878.50
  6. Step 6: Final answer
    x = 47,112,920.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.