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Finding the Third Proportional to 636,202,280 and 1,391,493,712

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Solution

The third proportional to 636,202,280 and 1,391,493,712 is: 3,043,457,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,202,280 : 1,391,493,712 = 1,391,493,712 : x
  2. Step 2: Convert to fraction form
    636,202,280/1,391,493,712 = 1,391,493,712/x
  3. Step 3: Cross multiply
    636,202,280x = 1,391,493,712 × 1,391,493,712
  4. Step 4: Simplify right side
    636,202,280x = 1,936,254,750,535,538,944
  5. Step 5: Solve for x
    x = 1,936,254,750,535,538,944/636,202,280
  6. Step 6: Final answer
    x = 3,043,457,735.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.