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Finding the Third Proportional to 3,156,000 and 5,127,408

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Solution

The third proportional to 3,156,000 and 5,127,408 is: 8,330,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,000 : 5,127,408 = 5,127,408 : x
  2. Step 2: Convert to fraction form
    3,156,000/5,127,408 = 5,127,408/x
  3. Step 3: Cross multiply
    3,156,000x = 5,127,408 × 5,127,408
  4. Step 4: Simplify right side
    3,156,000x = 26,290,312,798,464
  5. Step 5: Solve for x
    x = 26,290,312,798,464/3,156,000
  6. Step 6: Final answer
    x = 8,330,263.88

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.