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Finding the Third Proportional to 587,418,674.63 and 881,128,116.56

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Solution

The third proportional to 587,418,674.63 and 881,128,116.56 is: 1,321,692,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,418,674.63 : 881,128,116.56 = 881,128,116.56 : x
  2. Step 2: Convert to fraction form
    587,418,674.63/881,128,116.56 = 881,128,116.56/x
  3. Step 3: Cross multiply
    587,418,674.63x = 881,128,116.56 × 881,128,116.56
  4. Step 4: Simplify right side
    587,418,674.63x = 776,386,757,796,978,560
  5. Step 5: Solve for x
    x = 776,386,757,796,978,560/587,418,674.63
  6. Step 6: Final answer
    x = 1,321,692,331.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.