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Finding the Third Proportional to 356,132,726 and 784,719,600

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Solution

The third proportional to 356,132,726 and 784,719,600 is: 1,729,088,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,132,726 : 784,719,600 = 784,719,600 : x
  2. Step 2: Convert to fraction form
    356,132,726/784,719,600 = 784,719,600/x
  3. Step 3: Cross multiply
    356,132,726x = 784,719,600 × 784,719,600
  4. Step 4: Simplify right side
    356,132,726x = 615,784,850,624,160,000
  5. Step 5: Solve for x
    x = 615,784,850,624,160,000/356,132,726
  6. Step 6: Final answer
    x = 1,729,088,077.75

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.