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Finding the Third Proportional to 316,435,482.75 and 681,472,674.75

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Solution

The third proportional to 316,435,482.75 and 681,472,674.75 is: 1,467,613,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,435,482.75 : 681,472,674.75 = 681,472,674.75 : x
  2. Step 2: Convert to fraction form
    316,435,482.75/681,472,674.75 = 681,472,674.75/x
  3. Step 3: Cross multiply
    316,435,482.75x = 681,472,674.75 × 681,472,674.75
  4. Step 4: Simplify right side
    316,435,482.75x = 464,405,006,430,919,296
  5. Step 5: Solve for x
    x = 464,405,006,430,919,296/316,435,482.75
  6. Step 6: Final answer
    x = 1,467,613,563.42

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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.