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Finding the Third Proportional to 70,912,647 and 155,277,396

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Solution

The third proportional to 70,912,647 and 155,277,396 is: 340,010,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,912,647 : 155,277,396 = 155,277,396 : x
  2. Step 2: Convert to fraction form
    70,912,647/155,277,396 = 155,277,396/x
  3. Step 3: Cross multiply
    70,912,647x = 155,277,396 × 155,277,396
  4. Step 4: Simplify right side
    70,912,647x = 24,111,069,708,540,816
  5. Step 5: Solve for x
    x = 24,111,069,708,540,816/70,912,647
  6. Step 6: Final answer
    x = 340,010,854.60

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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.