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Finding the Third Proportional to 587,418,678 and 881,128,120.50

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Solution

The third proportional to 587,418,678 and 881,128,120.50 is: 1,321,692,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,418,678 : 881,128,120.50 = 881,128,120.50 : x
  2. Step 2: Convert to fraction form
    587,418,678/881,128,120.50 = 881,128,120.50/x
  3. Step 3: Cross multiply
    587,418,678x = 881,128,120.50 × 881,128,120.50
  4. Step 4: Simplify right side
    587,418,678x = 776,386,764,735,862,528
  5. Step 5: Solve for x
    x = 776,386,764,735,862,528/587,418,678
  6. Step 6: Final answer
    x = 1,321,692,336.00

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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.