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Finding the Third Proportional to 29,211,992 and 45,471,432

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Solution

The third proportional to 29,211,992 and 45,471,432 is: 70,780,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211,992 : 45,471,432 = 45,471,432 : x
  2. Step 2: Convert to fraction form
    29,211,992/45,471,432 = 45,471,432/x
  3. Step 3: Cross multiply
    29,211,992x = 45,471,432 × 45,471,432
  4. Step 4: Simplify right side
    29,211,992x = 2,067,651,128,130,624
  5. Step 5: Solve for x
    x = 2,067,651,128,130,624/29,211,992
  6. Step 6: Final answer
    x = 70,780,901.49

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.