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Finding the Third Proportional to 346,718,670 and 722,135,316

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Solution

The third proportional to 346,718,670 and 722,135,316 is: 1,504,041,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,718,670 : 722,135,316 = 722,135,316 : x
  2. Step 2: Convert to fraction form
    346,718,670/722,135,316 = 722,135,316/x
  3. Step 3: Cross multiply
    346,718,670x = 722,135,316 × 722,135,316
  4. Step 4: Simplify right side
    346,718,670x = 521,479,414,614,419,840
  5. Step 5: Solve for x
    x = 521,479,414,614,419,840/346,718,670
  6. Step 6: Final answer
    x = 1,504,041,921.41

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.