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Finding the Third Proportional to 115,318,400 and 155,326,048

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Solution

The third proportional to 115,318,400 and 155,326,048 is: 209,213,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,318,400 : 155,326,048 = 155,326,048 : x
  2. Step 2: Convert to fraction form
    115,318,400/155,326,048 = 155,326,048/x
  3. Step 3: Cross multiply
    115,318,400x = 155,326,048 × 155,326,048
  4. Step 4: Simplify right side
    115,318,400x = 24,126,181,187,298,304
  5. Step 5: Solve for x
    x = 24,126,181,187,298,304/115,318,400
  6. Step 6: Final answer
    x = 209,213,631.02

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.