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Finding the Third Proportional to 65,591,539.88 and 143,539,143.19

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Solution

The third proportional to 65,591,539.88 and 143,539,143.19 is: 314,118,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,591,539.88 : 143,539,143.19 = 143,539,143.19 : x
  2. Step 2: Convert to fraction form
    65,591,539.88/143,539,143.19 = 143,539,143.19/x
  3. Step 3: Cross multiply
    65,591,539.88x = 143,539,143.19 × 143,539,143.19
  4. Step 4: Simplify right side
    65,591,539.88x = 20,603,485,627,001,628
  5. Step 5: Solve for x
    x = 20,603,485,627,001,628/65,591,539.88
  6. Step 6: Final answer
    x = 314,118,035.13

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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.