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Finding the Third Proportional to 80,896,756 and 176,928,024

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Solution

The third proportional to 80,896,756 and 176,928,024 is: 386,956,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,896,756 : 176,928,024 = 176,928,024 : x
  2. Step 2: Convert to fraction form
    80,896,756/176,928,024 = 176,928,024/x
  3. Step 3: Cross multiply
    80,896,756x = 176,928,024 × 176,928,024
  4. Step 4: Simplify right side
    80,896,756x = 31,303,525,676,544,576
  5. Step 5: Solve for x
    x = 31,303,525,676,544,576/80,896,756
  6. Step 6: Final answer
    x = 386,956,501.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.