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Finding the Third Proportional to 100,698,939 and 155,496,780

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Solution

The third proportional to 100,698,939 and 155,496,780 is: 240,114,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,698,939 : 155,496,780 = 155,496,780 : x
  2. Step 2: Convert to fraction form
    100,698,939/155,496,780 = 155,496,780/x
  3. Step 3: Cross multiply
    100,698,939x = 155,496,780 × 155,496,780
  4. Step 4: Simplify right side
    100,698,939x = 24,179,248,590,368,400
  5. Step 5: Solve for x
    x = 24,179,248,590,368,400/100,698,939
  6. Step 6: Final answer
    x = 240,114,233.88

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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.