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Finding the Third Proportional to 61,982,145 and 135,124,567

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Solution

The third proportional to 61,982,145 and 135,124,567 is: 294,579,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982,145 : 135,124,567 = 135,124,567 : x
  2. Step 2: Convert to fraction form
    61,982,145/135,124,567 = 135,124,567/x
  3. Step 3: Cross multiply
    61,982,145x = 135,124,567 × 135,124,567
  4. Step 4: Simplify right side
    61,982,145x = 18,258,648,606,937,488
  5. Step 5: Solve for x
    x = 18,258,648,606,937,488/61,982,145
  6. Step 6: Final answer
    x = 294,579,166.42

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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.