Home / 9,155,313.56-12,800,490.75

Finding the Third Proportional to 9,155,313.56 and 12,800,490.75

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Solution

The third proportional to 9,155,313.56 and 12,800,490.75 is: 17,896,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155,313.56 : 12,800,490.75 = 12,800,490.75 : x
  2. Step 2: Convert to fraction form
    9,155,313.56/12,800,490.75 = 12,800,490.75/x
  3. Step 3: Cross multiply
    9,155,313.56x = 12,800,490.75 × 12,800,490.75
  4. Step 4: Simplify right side
    9,155,313.56x = 163,852,563,440,835.56
  5. Step 5: Solve for x
    x = 163,852,563,440,835.56/9,155,313.56
  6. Step 6: Final answer
    x = 17,896,990.89

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.