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Finding the Third Proportional to 45,540,154 and 70,438,264

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Solution

The third proportional to 45,540,154 and 70,438,264 is: 108,948,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540,154 : 70,438,264 = 70,438,264 : x
  2. Step 2: Convert to fraction form
    45,540,154/70,438,264 = 70,438,264/x
  3. Step 3: Cross multiply
    45,540,154x = 70,438,264 × 70,438,264
  4. Step 4: Simplify right side
    45,540,154x = 4,961,549,035,333,696
  5. Step 5: Solve for x
    x = 4,961,549,035,333,696/45,540,154
  6. Step 6: Final answer
    x = 108,948,885.75

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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.