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Finding the Third Proportional to 31,003,060 and 72,414,091

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Solution

The third proportional to 31,003,060 and 72,414,091 is: 169,138,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,003,060 : 72,414,091 = 72,414,091 : x
  2. Step 2: Convert to fraction form
    31,003,060/72,414,091 = 72,414,091/x
  3. Step 3: Cross multiply
    31,003,060x = 72,414,091 × 72,414,091
  4. Step 4: Simplify right side
    31,003,060x = 5,243,800,575,356,281
  5. Step 5: Solve for x
    x = 5,243,800,575,356,281/31,003,060
  6. Step 6: Final answer
    x = 169,138,161.70

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.