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Finding the Third Proportional to 100,698,780 and 155,496,539.25

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Solution

The third proportional to 100,698,780 and 155,496,539.25 is: 240,113,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,698,780 : 155,496,539.25 = 155,496,539.25 : x
  2. Step 2: Convert to fraction form
    100,698,780/155,496,539.25 = 155,496,539.25/x
  3. Step 3: Cross multiply
    100,698,780x = 155,496,539.25 × 155,496,539.25
  4. Step 4: Simplify right side
    100,698,780x = 24,179,173,718,726,792
  5. Step 5: Solve for x
    x = 24,179,173,718,726,792/100,698,780
  6. Step 6: Final answer
    x = 240,113,869.49

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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.