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Finding the Third Proportional to 30,610,625.91 and 66,601,886.63

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Solution

The third proportional to 30,610,625.91 and 66,601,886.63 is: 144,910,833.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,625.91 : 66,601,886.63 = 66,601,886.63 : x
  2. Step 2: Convert to fraction form
    30,610,625.91/66,601,886.63 = 66,601,886.63/x
  3. Step 3: Cross multiply
    30,610,625.91x = 66,601,886.63 × 66,601,886.63
  4. Step 4: Simplify right side
    30,610,625.91x = 4,435,811,302,009,354
  5. Step 5: Solve for x
    x = 4,435,811,302,009,354/30,610,625.91
  6. Step 6: Final answer
    x = 144,910,833.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.