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Finding the Third Proportional to 14,119,890 and 30,829,200

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Solution

The third proportional to 14,119,890 and 30,829,200 is: 67,312,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119,890 : 30,829,200 = 30,829,200 : x
  2. Step 2: Convert to fraction form
    14,119,890/30,829,200 = 30,829,200/x
  3. Step 3: Cross multiply
    14,119,890x = 30,829,200 × 30,829,200
  4. Step 4: Simplify right side
    14,119,890x = 950,439,572,640,000
  5. Step 5: Solve for x
    x = 950,439,572,640,000/14,119,890
  6. Step 6: Final answer
    x = 67,312,108.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.