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Finding the Third Proportional to 72,176,346 and 108,266,361.75

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Solution

The third proportional to 72,176,346 and 108,266,361.75 is: 162,402,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,176,346 : 108,266,361.75 = 108,266,361.75 : x
  2. Step 2: Convert to fraction form
    72,176,346/108,266,361.75 = 108,266,361.75/x
  3. Step 3: Cross multiply
    72,176,346x = 108,266,361.75 × 108,266,361.75
  4. Step 4: Simplify right side
    72,176,346x = 11,721,605,086,581,864
  5. Step 5: Solve for x
    x = 11,721,605,086,581,864/72,176,346
  6. Step 6: Final answer
    x = 162,402,306.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.