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Finding the Third Proportional to 30,837,165 and 68,567,550

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Solution

The third proportional to 30,837,165 and 68,567,550 is: 152,462,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837,165 : 68,567,550 = 68,567,550 : x
  2. Step 2: Convert to fraction form
    30,837,165/68,567,550 = 68,567,550/x
  3. Step 3: Cross multiply
    30,837,165x = 68,567,550 × 68,567,550
  4. Step 4: Simplify right side
    30,837,165x = 4,701,508,913,002,500
  5. Step 5: Solve for x
    x = 4,701,508,913,002,500/30,837,165
  6. Step 6: Final answer
    x = 152,462,423.60

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.