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Finding the Third Proportional to 127,708,184.25 and 280,138,216.50

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Solution

The third proportional to 127,708,184.25 and 280,138,216.50 is: 614,505,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,708,184.25 : 280,138,216.50 = 280,138,216.50 : x
  2. Step 2: Convert to fraction form
    127,708,184.25/280,138,216.50 = 280,138,216.50/x
  3. Step 3: Cross multiply
    127,708,184.25x = 280,138,216.50 × 280,138,216.50
  4. Step 4: Simplify right side
    127,708,184.25x = 78,477,420,343,800,880
  5. Step 5: Solve for x
    x = 78,477,420,343,800,880/127,708,184.25
  6. Step 6: Final answer
    x = 614,505,803.25

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.