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Finding the Third Proportional to 18,458,304 and 39,755,280

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Solution

The third proportional to 18,458,304 and 39,755,280 is: 85,624,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458,304 : 39,755,280 = 39,755,280 : x
  2. Step 2: Convert to fraction form
    18,458,304/39,755,280 = 39,755,280/x
  3. Step 3: Cross multiply
    18,458,304x = 39,755,280 × 39,755,280
  4. Step 4: Simplify right side
    18,458,304x = 1,580,482,287,878,400
  5. Step 5: Solve for x
    x = 1,580,482,287,878,400/18,458,304
  6. Step 6: Final answer
    x = 85,624,458.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.