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Finding the Third Proportional to 43,258,131 and 66,958,285.50

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Solution

The third proportional to 43,258,131 and 66,958,285.50 is: 103,643,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,258,131 : 66,958,285.50 = 66,958,285.50 : x
  2. Step 2: Convert to fraction form
    43,258,131/66,958,285.50 = 66,958,285.50/x
  3. Step 3: Cross multiply
    43,258,131x = 66,958,285.50 × 66,958,285.50
  4. Step 4: Simplify right side
    43,258,131x = 4,483,411,997,099,510
  5. Step 5: Solve for x
    x = 4,483,411,997,099,510/43,258,131
  6. Step 6: Final answer
    x = 103,643,220.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.