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Finding the Third Proportional to 68,153,005.50 and 105,729,811.50

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Solution

The third proportional to 68,153,005.50 and 105,729,811.50 is: 164,024,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,153,005.50 : 105,729,811.50 = 105,729,811.50 : x
  2. Step 2: Convert to fraction form
    68,153,005.50/105,729,811.50 = 105,729,811.50/x
  3. Step 3: Cross multiply
    68,153,005.50x = 105,729,811.50 × 105,729,811.50
  4. Step 4: Simplify right side
    68,153,005.50x = 11,178,793,039,825,532
  5. Step 5: Solve for x
    x = 11,178,793,039,825,532/68,153,005.50
  6. Step 6: Final answer
    x = 164,024,945.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.