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Finding the Third Proportional to 3,159,989.72 and 4,773,193.31

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Solution

The third proportional to 3,159,989.72 and 4,773,193.31 is: 7,209,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,989.72 : 4,773,193.31 = 4,773,193.31 : x
  2. Step 2: Convert to fraction form
    3,159,989.72/4,773,193.31 = 4,773,193.31/x
  3. Step 3: Cross multiply
    3,159,989.72x = 4,773,193.31 × 4,773,193.31
  4. Step 4: Simplify right side
    3,159,989.72x = 22,783,374,398,494.72
  5. Step 5: Solve for x
    x = 22,783,374,398,494.72/3,159,989.72
  6. Step 6: Final answer
    x = 7,209,952.07

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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.