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Finding the Third Proportional to 203,076,394 and 309,376,099

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Solution

The third proportional to 203,076,394 and 309,376,099 is: 471,318,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,076,394 : 309,376,099 = 309,376,099 : x
  2. Step 2: Convert to fraction form
    203,076,394/309,376,099 = 309,376,099/x
  3. Step 3: Cross multiply
    203,076,394x = 309,376,099 × 309,376,099
  4. Step 4: Simplify right side
    203,076,394x = 95,713,570,632,457,808
  5. Step 5: Solve for x
    x = 95,713,570,632,457,808/203,076,394
  6. Step 6: Final answer
    x = 471,318,053.01

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.