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Finding the Third Proportional to 65,591,791 and 143,539,637

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Solution

The third proportional to 65,591,791 and 143,539,637 is: 314,118,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,591,791 : 143,539,637 = 143,539,637 : x
  2. Step 2: Convert to fraction form
    65,591,791/143,539,637 = 143,539,637/x
  3. Step 3: Cross multiply
    65,591,791x = 143,539,637 × 143,539,637
  4. Step 4: Simplify right side
    65,591,791x = 20,603,627,390,091,768
  5. Step 5: Solve for x
    x = 20,603,627,390,091,768/65,591,791
  6. Step 6: Final answer
    x = 314,118,993.79

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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.