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Finding the Third Proportional to 100,698,878 and 155,496,677

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Solution

The third proportional to 100,698,878 and 155,496,677 is: 240,114,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,698,878 : 155,496,677 = 155,496,677 : x
  2. Step 2: Convert to fraction form
    100,698,878/155,496,677 = 155,496,677/x
  3. Step 3: Cross multiply
    100,698,878x = 155,496,677 × 155,496,677
  4. Step 4: Simplify right side
    100,698,878x = 24,179,216,558,042,328
  5. Step 5: Solve for x
    x = 24,179,216,558,042,328/100,698,878
  6. Step 6: Final answer
    x = 240,114,061.23

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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.