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Finding the Third Proportional to 5,156,739 and 10,928,187

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Solution

The third proportional to 5,156,739 and 10,928,187 is: 23,159,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,739 : 10,928,187 = 10,928,187 : x
  2. Step 2: Convert to fraction form
    5,156,739/10,928,187 = 10,928,187/x
  3. Step 3: Cross multiply
    5,156,739x = 10,928,187 × 10,928,187
  4. Step 4: Simplify right side
    5,156,739x = 119,425,271,106,969
  5. Step 5: Solve for x
    x = 119,425,271,106,969/5,156,739
  6. Step 6: Final answer
    x = 23,159,068.38

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.