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Finding the Third Proportional to 105,539,968 and 161,448,654

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Solution

The third proportional to 105,539,968 and 161,448,654 is: 246,974,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,539,968 : 161,448,654 = 161,448,654 : x
  2. Step 2: Convert to fraction form
    105,539,968/161,448,654 = 161,448,654/x
  3. Step 3: Cross multiply
    105,539,968x = 161,448,654 × 161,448,654
  4. Step 4: Simplify right side
    105,539,968x = 26,065,667,878,411,716
  5. Step 5: Solve for x
    x = 26,065,667,878,411,716/105,539,968
  6. Step 6: Final answer
    x = 246,974,377.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.