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Finding the Third Proportional to 387,612,748 and 595,788,821

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Solution

The third proportional to 387,612,748 and 595,788,821 is: 915,770,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,612,748 : 595,788,821 = 595,788,821 : x
  2. Step 2: Convert to fraction form
    387,612,748/595,788,821 = 595,788,821/x
  3. Step 3: Cross multiply
    387,612,748x = 595,788,821 × 595,788,821
  4. Step 4: Simplify right side
    387,612,748x = 354,964,319,228,570,048
  5. Step 5: Solve for x
    x = 354,964,319,228,570,048/387,612,748
  6. Step 6: Final answer
    x = 915,770,497.90

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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.