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Finding the Third Proportional to 287,752,581 and 632,900,790

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Solution

The third proportional to 287,752,581 and 632,900,790 is: 1,392,041,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,752,581 : 632,900,790 = 632,900,790 : x
  2. Step 2: Convert to fraction form
    287,752,581/632,900,790 = 632,900,790/x
  3. Step 3: Cross multiply
    287,752,581x = 632,900,790 × 632,900,790
  4. Step 4: Simplify right side
    287,752,581x = 400,563,409,982,624,128
  5. Step 5: Solve for x
    x = 400,563,409,982,624,128/287,752,581
  6. Step 6: Final answer
    x = 1,392,041,067.33

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.