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Finding the Third Proportional to 74,844,288 and 161,238,528

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Solution

The third proportional to 74,844,288 and 161,238,528 is: 347,359,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844,288 : 161,238,528 = 161,238,528 : x
  2. Step 2: Convert to fraction form
    74,844,288/161,238,528 = 161,238,528/x
  3. Step 3: Cross multiply
    74,844,288x = 161,238,528 × 161,238,528
  4. Step 4: Simplify right side
    74,844,288x = 25,997,862,911,606,784
  5. Step 5: Solve for x
    x = 25,997,862,911,606,784/74,844,288
  6. Step 6: Final answer
    x = 347,359,345.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.