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Finding the Third Proportional to 621,904,920 and 1,360,963,632

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Solution

The third proportional to 621,904,920 and 1,360,963,632 is: 2,978,304,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,904,920 : 1,360,963,632 = 1,360,963,632 : x
  2. Step 2: Convert to fraction form
    621,904,920/1,360,963,632 = 1,360,963,632/x
  3. Step 3: Cross multiply
    621,904,920x = 1,360,963,632 × 1,360,963,632
  4. Step 4: Simplify right side
    621,904,920x = 1,852,222,007,626,631,424
  5. Step 5: Solve for x
    x = 1,852,222,007,626,631,424/621,904,920
  6. Step 6: Final answer
    x = 2,978,304,155.60

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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.