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Finding the Third Proportional to 30,503,142 and 63,515,340

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Solution

The third proportional to 30,503,142 and 63,515,340 is: 132,255,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,503,142 : 63,515,340 = 63,515,340 : x
  2. Step 2: Convert to fraction form
    30,503,142/63,515,340 = 63,515,340/x
  3. Step 3: Cross multiply
    30,503,142x = 63,515,340 × 63,515,340
  4. Step 4: Simplify right side
    30,503,142x = 4,034,198,415,315,600
  5. Step 5: Solve for x
    x = 4,034,198,415,315,600/30,503,142
  6. Step 6: Final answer
    x = 132,255,176.05

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.