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Finding the Third Proportional to 4,958,906.63 and 7,662,772.13

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Solution

The third proportional to 4,958,906.63 and 7,662,772.13 is: 11,840,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958,906.63 : 7,662,772.13 = 7,662,772.13 : x
  2. Step 2: Convert to fraction form
    4,958,906.63/7,662,772.13 = 7,662,772.13/x
  3. Step 3: Cross multiply
    4,958,906.63x = 7,662,772.13 × 7,662,772.13
  4. Step 4: Simplify right side
    4,958,906.63x = 58,718,076,639,677.02
  5. Step 5: Solve for x
    x = 58,718,076,639,677.02/4,958,906.63
  6. Step 6: Final answer
    x = 11,840,932.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.