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Finding the Third Proportional to 425,712 and 619,848

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Solution

The third proportional to 425,712 and 619,848 is: 902,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,712 : 619,848 = 619,848 : x
  2. Step 2: Convert to fraction form
    425,712/619,848 = 619,848/x
  3. Step 3: Cross multiply
    425,712x = 619,848 × 619,848
  4. Step 4: Simplify right side
    425,712x = 384,211,543,104
  5. Step 5: Solve for x
    x = 384,211,543,104/425,712
  6. Step 6: Final answer
    x = 902,515.18

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.