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Finding the Third Proportional to 47,324,454 and 76,191,129

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Solution

The third proportional to 47,324,454 and 76,191,129 is: 122,665,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,324,454 : 76,191,129 = 76,191,129 : x
  2. Step 2: Convert to fraction form
    47,324,454/76,191,129 = 76,191,129/x
  3. Step 3: Cross multiply
    47,324,454x = 76,191,129 × 76,191,129
  4. Step 4: Simplify right side
    47,324,454x = 5,805,088,138,294,641
  5. Step 5: Solve for x
    x = 5,805,088,138,294,641/47,324,454
  6. Step 6: Final answer
    x = 122,665,718.20

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.