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Finding the Third Proportional to 66,289,288.50 and 156,262,286.25

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Solution

The third proportional to 66,289,288.50 and 156,262,286.25 is: 368,353,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,289,288.50 : 156,262,286.25 = 156,262,286.25 : x
  2. Step 2: Convert to fraction form
    66,289,288.50/156,262,286.25 = 156,262,286.25/x
  3. Step 3: Cross multiply
    66,289,288.50x = 156,262,286.25 × 156,262,286.25
  4. Step 4: Simplify right side
    66,289,288.50x = 24,417,902,104,076,940
  5. Step 5: Solve for x
    x = 24,417,902,104,076,940/66,289,288.50
  6. Step 6: Final answer
    x = 368,353,661.00

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.