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Finding the Third Proportional to 153,918,263 and 238,530,928

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Solution

The third proportional to 153,918,263 and 238,530,928 is: 369,657,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,918,263 : 238,530,928 = 238,530,928 : x
  2. Step 2: Convert to fraction form
    153,918,263/238,530,928 = 238,530,928/x
  3. Step 3: Cross multiply
    153,918,263x = 238,530,928 × 238,530,928
  4. Step 4: Simplify right side
    153,918,263x = 56,897,003,612,541,184
  5. Step 5: Solve for x
    x = 56,897,003,612,541,184/153,918,263
  6. Step 6: Final answer
    x = 369,657,261.61

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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.