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Finding the Third Proportional to 30,865,036 and 45,138,672

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Solution

The third proportional to 30,865,036 and 45,138,672 is: 66,013,197.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865,036 : 45,138,672 = 45,138,672 : x
  2. Step 2: Convert to fraction form
    30,865,036/45,138,672 = 45,138,672/x
  3. Step 3: Cross multiply
    30,865,036x = 45,138,672 × 45,138,672
  4. Step 4: Simplify right side
    30,865,036x = 2,037,499,709,923,584
  5. Step 5: Solve for x
    x = 2,037,499,709,923,584/30,865,036
  6. Step 6: Final answer
    x = 66,013,197.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.