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Finding the Third Proportional to 387,928,152 and 585,925,048

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Solution

The third proportional to 387,928,152 and 585,925,048 is: 884,978,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,928,152 : 585,925,048 = 585,925,048 : x
  2. Step 2: Convert to fraction form
    387,928,152/585,925,048 = 585,925,048/x
  3. Step 3: Cross multiply
    387,928,152x = 585,925,048 × 585,925,048
  4. Step 4: Simplify right side
    387,928,152x = 343,308,161,873,802,304
  5. Step 5: Solve for x
    x = 343,308,161,873,802,304/387,928,152
  6. Step 6: Final answer
    x = 884,978,726.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.