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Finding the Third Proportional to 52,807,848.75 and 80,781,340.50

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Solution

The third proportional to 52,807,848.75 and 80,781,340.50 is: 123,573,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,807,848.75 : 80,781,340.50 = 80,781,340.50 : x
  2. Step 2: Convert to fraction form
    52,807,848.75/80,781,340.50 = 80,781,340.50/x
  3. Step 3: Cross multiply
    52,807,848.75x = 80,781,340.50 × 80,781,340.50
  4. Step 4: Simplify right side
    52,807,848.75x = 6,525,624,972,976,940
  5. Step 5: Solve for x
    x = 6,525,624,972,976,940/52,807,848.75
  6. Step 6: Final answer
    x = 123,573,012.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.