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Finding the Third Proportional to 316,879,718 and 680,614,852

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Solution

The third proportional to 316,879,718 and 680,614,852 is: 1,461,868,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,879,718 : 680,614,852 = 680,614,852 : x
  2. Step 2: Convert to fraction form
    316,879,718/680,614,852 = 680,614,852/x
  3. Step 3: Cross multiply
    316,879,718x = 680,614,852 × 680,614,852
  4. Step 4: Simplify right side
    316,879,718x = 463,236,576,762,981,888
  5. Step 5: Solve for x
    x = 463,236,576,762,981,888/316,879,718
  6. Step 6: Final answer
    x = 1,461,868,811.57

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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.