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Finding the Third Proportional to 511,577,928 and 791,813,340

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Solution

The third proportional to 511,577,928 and 791,813,340 is: 1,225,557,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,577,928 : 791,813,340 = 791,813,340 : x
  2. Step 2: Convert to fraction form
    511,577,928/791,813,340 = 791,813,340/x
  3. Step 3: Cross multiply
    511,577,928x = 791,813,340 × 791,813,340
  4. Step 4: Simplify right side
    511,577,928x = 626,968,365,401,955,584
  5. Step 5: Solve for x
    x = 626,968,365,401,955,584/511,577,928
  6. Step 6: Final answer
    x = 1,225,557,888.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.