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Finding the Third Proportional to 639,722,226 and 982,862,496

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Solution

The third proportional to 639,722,226 and 982,862,496 is: 1,510,059,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,722,226 : 982,862,496 = 982,862,496 : x
  2. Step 2: Convert to fraction form
    639,722,226/982,862,496 = 982,862,496/x
  3. Step 3: Cross multiply
    639,722,226x = 982,862,496 × 982,862,496
  4. Step 4: Simplify right side
    639,722,226x = 966,018,686,043,350,016
  5. Step 5: Solve for x
    x = 966,018,686,043,350,016/639,722,226
  6. Step 6: Final answer
    x = 1,510,059,595.84

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.