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Finding the Third Proportional to 30,232,639 and 64,425,249

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Solution

The third proportional to 30,232,639 and 64,425,249 is: 137,289,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232,639 : 64,425,249 = 64,425,249 : x
  2. Step 2: Convert to fraction form
    30,232,639/64,425,249 = 64,425,249/x
  3. Step 3: Cross multiply
    30,232,639x = 64,425,249 × 64,425,249
  4. Step 4: Simplify right side
    30,232,639x = 4,150,612,708,712,001
  5. Step 5: Solve for x
    x = 4,150,612,708,712,001/30,232,639
  6. Step 6: Final answer
    x = 137,289,130.09

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.