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Finding the Third Proportional to 29,921,719 and 45,485,887

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Solution

The third proportional to 29,921,719 and 45,485,887 is: 69,145,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,921,719 : 45,485,887 = 45,485,887 : x
  2. Step 2: Convert to fraction form
    29,921,719/45,485,887 = 45,485,887/x
  3. Step 3: Cross multiply
    29,921,719x = 45,485,887 × 45,485,887
  4. Step 4: Simplify right side
    29,921,719x = 2,068,965,916,176,769
  5. Step 5: Solve for x
    x = 2,068,965,916,176,769/29,921,719
  6. Step 6: Final answer
    x = 69,145,957.70

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.