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Finding the Third Proportional to 69,114,656.50 and 148,486,269

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Solution

The third proportional to 69,114,656.50 and 148,486,269 is: 319,008,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,114,656.50 : 148,486,269 = 148,486,269 : x
  2. Step 2: Convert to fraction form
    69,114,656.50/148,486,269 = 148,486,269/x
  3. Step 3: Cross multiply
    69,114,656.50x = 148,486,269 × 148,486,269
  4. Step 4: Simplify right side
    69,114,656.50x = 22,048,172,081,540,360
  5. Step 5: Solve for x
    x = 22,048,172,081,540,360/69,114,656.50
  6. Step 6: Final answer
    x = 319,008,632.87

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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.