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Finding the Third Proportional to 709,767,615 and 1,553,109,610

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Solution

The third proportional to 709,767,615 and 1,553,109,610 is: 3,398,505,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,767,615 : 1,553,109,610 = 1,553,109,610 : x
  2. Step 2: Convert to fraction form
    709,767,615/1,553,109,610 = 1,553,109,610/x
  3. Step 3: Cross multiply
    709,767,615x = 1,553,109,610 × 1,553,109,610
  4. Step 4: Simplify right side
    709,767,615x = 2,412,149,460,674,352,128
  5. Step 5: Solve for x
    x = 2,412,149,460,674,352,128/709,767,615
  6. Step 6: Final answer
    x = 3,398,505,947.15

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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.