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Finding the Third Proportional to 1,301,156,981 and 1,982,243,395

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Solution

The third proportional to 1,301,156,981 and 1,982,243,395 is: 3,019,842,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,156,981 : 1,982,243,395 = 1,982,243,395 : x
  2. Step 2: Convert to fraction form
    1,301,156,981/1,982,243,395 = 1,982,243,395/x
  3. Step 3: Cross multiply
    1,301,156,981x = 1,982,243,395 × 1,982,243,395
  4. Step 4: Simplify right side
    1,301,156,981x = 3,929,288,877,021,126,144
  5. Step 5: Solve for x
    x = 3,929,288,877,021,126,144/1,301,156,981
  6. Step 6: Final answer
    x = 3,019,842,289.90

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.