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Finding the Third Proportional to 12,152,671.31 and 18,634,918.22

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Solution

The third proportional to 12,152,671.31 and 18,634,918.22 is: 28,574,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152,671.31 : 18,634,918.22 = 18,634,918.22 : x
  2. Step 2: Convert to fraction form
    12,152,671.31/18,634,918.22 = 18,634,918.22/x
  3. Step 3: Cross multiply
    12,152,671.31x = 18,634,918.22 × 18,634,918.22
  4. Step 4: Simplify right side
    12,152,671.31x = 347,260,177,019,500.69
  5. Step 5: Solve for x
    x = 347,260,177,019,500.69/12,152,671.31
  6. Step 6: Final answer
    x = 28,574,802.04

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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.