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Finding the Third Proportional to 99,520,164 and 155,777,640.75

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Solution

The third proportional to 99,520,164 and 155,777,640.75 is: 243,836,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,520,164 : 155,777,640.75 = 155,777,640.75 : x
  2. Step 2: Convert to fraction form
    99,520,164/155,777,640.75 = 155,777,640.75/x
  3. Step 3: Cross multiply
    99,520,164x = 155,777,640.75 × 155,777,640.75
  4. Step 4: Simplify right side
    99,520,164x = 24,266,673,357,636,060
  5. Step 5: Solve for x
    x = 24,266,673,357,636,060/99,520,164
  6. Step 6: Final answer
    x = 243,836,750.08

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.