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Finding the Third Proportional to 30,681,583.50 and 66,230,200.50

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Solution

The third proportional to 30,681,583.50 and 66,230,200.50 is: 142,966,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,681,583.50 : 66,230,200.50 = 66,230,200.50 : x
  2. Step 2: Convert to fraction form
    30,681,583.50/66,230,200.50 = 66,230,200.50/x
  3. Step 3: Cross multiply
    30,681,583.50x = 66,230,200.50 × 66,230,200.50
  4. Step 4: Simplify right side
    30,681,583.50x = 4,386,439,458,270,200
  5. Step 5: Solve for x
    x = 4,386,439,458,270,200/30,681,583.50
  6. Step 6: Final answer
    x = 142,966,527.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.