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Finding the Third Proportional to 30,375,526 and 66,520,844

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Solution

The third proportional to 30,375,526 and 66,520,844 is: 145,677,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375,526 : 66,520,844 = 66,520,844 : x
  2. Step 2: Convert to fraction form
    30,375,526/66,520,844 = 66,520,844/x
  3. Step 3: Cross multiply
    30,375,526x = 66,520,844 × 66,520,844
  4. Step 4: Simplify right side
    30,375,526x = 4,425,022,686,472,336
  5. Step 5: Solve for x
    x = 4,425,022,686,472,336/30,375,526
  6. Step 6: Final answer
    x = 145,677,236.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.