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Finding the Third Proportional to 5,678,807 and 12,315,772

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Solution

The third proportional to 5,678,807 and 12,315,772 is: 26,709,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,807 : 12,315,772 = 12,315,772 : x
  2. Step 2: Convert to fraction form
    5,678,807/12,315,772 = 12,315,772/x
  3. Step 3: Cross multiply
    5,678,807x = 12,315,772 × 12,315,772
  4. Step 4: Simplify right side
    5,678,807x = 151,678,239,955,984
  5. Step 5: Solve for x
    x = 151,678,239,955,984/5,678,807
  6. Step 6: Final answer
    x = 26,709,525.43

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.