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Finding the Third Proportional to 53,639,136 and 80,458,745

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Solution

The third proportional to 53,639,136 and 80,458,745 is: 120,688,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,639,136 : 80,458,745 = 80,458,745 : x
  2. Step 2: Convert to fraction form
    53,639,136/80,458,745 = 80,458,745/x
  3. Step 3: Cross multiply
    53,639,136x = 80,458,745 × 80,458,745
  4. Step 4: Simplify right side
    53,639,136x = 6,473,609,646,975,025
  5. Step 5: Solve for x
    x = 6,473,609,646,975,025/53,639,136
  6. Step 6: Final answer
    x = 120,688,179.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.