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Finding the Third Proportional to 3,639,013,740 and 7,859,058,072

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Solution

The third proportional to 3,639,013,740 and 7,859,058,072 is: 16,972,948,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,013,740 : 7,859,058,072 = 7,859,058,072 : x
  2. Step 2: Convert to fraction form
    3,639,013,740/7,859,058,072 = 7,859,058,072/x
  3. Step 3: Cross multiply
    3,639,013,740x = 7,859,058,072 × 7,859,058,072
  4. Step 4: Simplify right side
    3,639,013,740x = 61,764,793,779,068,354,560
  5. Step 5: Solve for x
    x = 61,764,793,779,068,354,560/3,639,013,740
  6. Step 6: Final answer
    x = 16,972,948,769.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.