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Finding the Third Proportional to 4,258,210,440 and 9,319,155,954

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Solution

The third proportional to 4,258,210,440 and 9,319,155,954 is: 20,395,109,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,210,440 : 9,319,155,954 = 9,319,155,954 : x
  2. Step 2: Convert to fraction form
    4,258,210,440/9,319,155,954 = 9,319,155,954/x
  3. Step 3: Cross multiply
    4,258,210,440x = 9,319,155,954 × 9,319,155,954
  4. Step 4: Simplify right side
    4,258,210,440x = 86,846,667,694,973,648,896
  5. Step 5: Solve for x
    x = 86,846,667,694,973,648,896/4,258,210,440
  6. Step 6: Final answer
    x = 20,395,109,381.91

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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.