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Finding the Third Proportional to 279,010,285.50 and 459,419,618.25

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Solution

The third proportional to 279,010,285.50 and 459,419,618.25 is: 756,482,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,010,285.50 : 459,419,618.25 = 459,419,618.25 : x
  2. Step 2: Convert to fraction form
    279,010,285.50/459,419,618.25 = 459,419,618.25/x
  3. Step 3: Cross multiply
    279,010,285.50x = 459,419,618.25 × 459,419,618.25
  4. Step 4: Simplify right side
    279,010,285.50x = 211,066,385,632,975,744
  5. Step 5: Solve for x
    x = 211,066,385,632,975,744/279,010,285.50
  6. Step 6: Final answer
    x = 756,482,454.60

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.