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Finding the Third Proportional to 45,540,158 and 70,438,270

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Solution

The third proportional to 45,540,158 and 70,438,270 is: 108,948,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540,158 : 70,438,270 = 70,438,270 : x
  2. Step 2: Convert to fraction form
    45,540,158/70,438,270 = 70,438,270/x
  3. Step 3: Cross multiply
    45,540,158x = 70,438,270 × 70,438,270
  4. Step 4: Simplify right side
    45,540,158x = 4,961,549,880,592,900
  5. Step 5: Solve for x
    x = 4,961,549,880,592,900/45,540,158
  6. Step 6: Final answer
    x = 108,948,894.74

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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.