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Finding the Third Proportional to 100,685,580 and 155,339,526

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Solution

The third proportional to 100,685,580 and 155,339,526 is: 239,660,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,685,580 : 155,339,526 = 155,339,526 : x
  2. Step 2: Convert to fraction form
    100,685,580/155,339,526 = 155,339,526/x
  3. Step 3: Cross multiply
    100,685,580x = 155,339,526 × 155,339,526
  4. Step 4: Simplify right side
    100,685,580x = 24,130,368,337,904,676
  5. Step 5: Solve for x
    x = 24,130,368,337,904,676/100,685,580
  6. Step 6: Final answer
    x = 239,660,618.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.