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Finding the Third Proportional to 387,615,415.50 and 595,792,687.50

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Solution

The third proportional to 387,615,415.50 and 595,792,687.50 is: 915,776,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,615,415.50 : 595,792,687.50 = 595,792,687.50 : x
  2. Step 2: Convert to fraction form
    387,615,415.50/595,792,687.50 = 595,792,687.50/x
  3. Step 3: Cross multiply
    387,615,415.50x = 595,792,687.50 × 595,792,687.50
  4. Step 4: Simplify right side
    387,615,415.50x = 354,968,926,478,472,640
  5. Step 5: Solve for x
    x = 354,968,926,478,472,640/387,615,415.50
  6. Step 6: Final answer
    x = 915,776,081.87

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.