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Finding the Third Proportional to 98,209,755 and 136,552,816.50

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Solution

The third proportional to 98,209,755 and 136,552,816.50 is: 189,865,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,209,755 : 136,552,816.50 = 136,552,816.50 : x
  2. Step 2: Convert to fraction form
    98,209,755/136,552,816.50 = 136,552,816.50/x
  3. Step 3: Cross multiply
    98,209,755x = 136,552,816.50 × 136,552,816.50
  4. Step 4: Simplify right side
    98,209,755x = 18,646,671,694,082,672
  5. Step 5: Solve for x
    x = 18,646,671,694,082,672/98,209,755
  6. Step 6: Final answer
    x = 189,865,779.57

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.