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Finding the Third Proportional to 43,213,056 and 66,258,315

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Solution

The third proportional to 43,213,056 and 66,258,315 is: 101,593,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213,056 : 66,258,315 = 66,258,315 : x
  2. Step 2: Convert to fraction form
    43,213,056/66,258,315 = 66,258,315/x
  3. Step 3: Cross multiply
    43,213,056x = 66,258,315 × 66,258,315
  4. Step 4: Simplify right side
    43,213,056x = 4,390,164,306,639,225
  5. Step 5: Solve for x
    x = 4,390,164,306,639,225/43,213,056
  6. Step 6: Final answer
    x = 101,593,469.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.