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Finding the Third Proportional to 123,054,345 and 190,476,860

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Solution

The third proportional to 123,054,345 and 190,476,860 is: 294,840,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,054,345 : 190,476,860 = 190,476,860 : x
  2. Step 2: Convert to fraction form
    123,054,345/190,476,860 = 190,476,860/x
  3. Step 3: Cross multiply
    123,054,345x = 190,476,860 × 190,476,860
  4. Step 4: Simplify right side
    123,054,345x = 36,281,434,195,459,600
  5. Step 5: Solve for x
    x = 36,281,434,195,459,600/123,054,345
  6. Step 6: Final answer
    x = 294,840,740.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.