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Finding the Third Proportional to 30,375,528 and 66,520,848

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Solution

The third proportional to 30,375,528 and 66,520,848 is: 145,677,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375,528 : 66,520,848 = 66,520,848 : x
  2. Step 2: Convert to fraction form
    30,375,528/66,520,848 = 66,520,848/x
  3. Step 3: Cross multiply
    30,375,528x = 66,520,848 × 66,520,848
  4. Step 4: Simplify right side
    30,375,528x = 4,425,023,218,639,104
  5. Step 5: Solve for x
    x = 4,425,023,218,639,104/30,375,528
  6. Step 6: Final answer
    x = 145,677,244.48

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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.