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Finding the Third Proportional to 620,848,738.50 and 973,929,818.25

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Solution

The third proportional to 620,848,738.50 and 973,929,818.25 is: 1,527,810,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,848,738.50 : 973,929,818.25 = 973,929,818.25 : x
  2. Step 2: Convert to fraction form
    620,848,738.50/973,929,818.25 = 973,929,818.25/x
  3. Step 3: Cross multiply
    620,848,738.50x = 973,929,818.25 × 973,929,818.25
  4. Step 4: Simplify right side
    620,848,738.50x = 948,539,290,876,478,080
  5. Step 5: Solve for x
    x = 948,539,290,876,478,080/620,848,738.50
  6. Step 6: Final answer
    x = 1,527,810,611.60

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.