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Finding the Third Proportional to 100,698,766 and 155,496,509

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Solution

The third proportional to 100,698,766 and 155,496,509 is: 240,113,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,698,766 : 155,496,509 = 155,496,509 : x
  2. Step 2: Convert to fraction form
    100,698,766/155,496,509 = 155,496,509/x
  3. Step 3: Cross multiply
    100,698,766x = 155,496,509 × 155,496,509
  4. Step 4: Simplify right side
    100,698,766x = 24,179,164,311,187,080
  5. Step 5: Solve for x
    x = 24,179,164,311,187,080/100,698,766
  6. Step 6: Final answer
    x = 240,113,809.45

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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.