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Finding the Third Proportional to 148,795,090 and 315,290,948

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Solution

The third proportional to 148,795,090 and 315,290,948 is: 668,089,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,795,090 : 315,290,948 = 315,290,948 : x
  2. Step 2: Convert to fraction form
    148,795,090/315,290,948 = 315,290,948/x
  3. Step 3: Cross multiply
    148,795,090x = 315,290,948 × 315,290,948
  4. Step 4: Simplify right side
    148,795,090x = 99,408,381,890,738,704
  5. Step 5: Solve for x
    x = 99,408,381,890,738,704/148,795,090
  6. Step 6: Final answer
    x = 668,089,127.74

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.