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Finding the Third Proportional to 76,955,890 and 169,302,770

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Solution

The third proportional to 76,955,890 and 169,302,770 is: 372,465,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,955,890 : 169,302,770 = 169,302,770 : x
  2. Step 2: Convert to fraction form
    76,955,890/169,302,770 = 169,302,770/x
  3. Step 3: Cross multiply
    76,955,890x = 169,302,770 × 169,302,770
  4. Step 4: Simplify right side
    76,955,890x = 28,663,427,929,672,900
  5. Step 5: Solve for x
    x = 28,663,427,929,672,900/76,955,890
  6. Step 6: Final answer
    x = 372,465,680.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.