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Finding the Third Proportional to 65,591,792.50 and 143,539,640

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Solution

The third proportional to 65,591,792.50 and 143,539,640 is: 314,118,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,591,792.50 : 143,539,640 = 143,539,640 : x
  2. Step 2: Convert to fraction form
    65,591,792.50/143,539,640 = 143,539,640/x
  3. Step 3: Cross multiply
    65,591,792.50x = 143,539,640 × 143,539,640
  4. Step 4: Simplify right side
    65,591,792.50x = 20,603,628,251,329,600
  5. Step 5: Solve for x
    x = 20,603,628,251,329,600/65,591,792.50
  6. Step 6: Final answer
    x = 314,118,999.74

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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.