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Finding the Third Proportional to 678,152 and 1,025,957

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Solution

The third proportional to 678,152 and 1,025,957 is: 1,552,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,152 : 1,025,957 = 1,025,957 : x
  2. Step 2: Convert to fraction form
    678,152/1,025,957 = 1,025,957/x
  3. Step 3: Cross multiply
    678,152x = 1,025,957 × 1,025,957
  4. Step 4: Simplify right side
    678,152x = 1,052,587,765,849
  5. Step 5: Solve for x
    x = 1,052,587,765,849/678,152
  6. Step 6: Final answer
    x = 1,552,141.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.