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Finding the Third Proportional to 356,132,724 and 784,719,595.50

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Solution

The third proportional to 356,132,724 and 784,719,595.50 is: 1,729,088,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,132,724 : 784,719,595.50 = 784,719,595.50 : x
  2. Step 2: Convert to fraction form
    356,132,724/784,719,595.50 = 784,719,595.50/x
  3. Step 3: Cross multiply
    356,132,724x = 784,719,595.50 × 784,719,595.50
  4. Step 4: Simplify right side
    356,132,724x = 615,784,843,561,683,584
  5. Step 5: Solve for x
    x = 615,784,843,561,683,584/356,132,724
  6. Step 6: Final answer
    x = 1,729,088,067.63

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Why These Related Problems?

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