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Finding the Third Proportional to 73,140,318 and 157,287,996

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Solution

The third proportional to 73,140,318 and 157,287,996 is: 338,247,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,140,318 : 157,287,996 = 157,287,996 : x
  2. Step 2: Convert to fraction form
    73,140,318/157,287,996 = 157,287,996/x
  3. Step 3: Cross multiply
    73,140,318x = 157,287,996 × 157,287,996
  4. Step 4: Simplify right side
    73,140,318x = 24,739,513,685,696,016
  5. Step 5: Solve for x
    x = 24,739,513,685,696,016/73,140,318
  6. Step 6: Final answer
    x = 338,247,280.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.