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Finding the Third Proportional to 12,407,671.13 and 18,873,946.69

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Solution

The third proportional to 12,407,671.13 and 18,873,946.69 is: 28,710,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407,671.13 : 18,873,946.69 = 18,873,946.69 : x
  2. Step 2: Convert to fraction form
    12,407,671.13/18,873,946.69 = 18,873,946.69/x
  3. Step 3: Cross multiply
    12,407,671.13x = 18,873,946.69 × 18,873,946.69
  4. Step 4: Simplify right side
    12,407,671.13x = 356,225,863,562,592.25
  5. Step 5: Solve for x
    x = 356,225,863,562,592.25/12,407,671.13
  6. Step 6: Final answer
    x = 28,710,131.01

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.