Home / 68,088,806.46-145,643,905.72

Finding the Third Proportional to 68,088,806.46 and 145,643,905.72

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Solution

The third proportional to 68,088,806.46 and 145,643,905.72 is: 311,536,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088,806.46 : 145,643,905.72 = 145,643,905.72 : x
  2. Step 2: Convert to fraction form
    68,088,806.46/145,643,905.72 = 145,643,905.72/x
  3. Step 3: Cross multiply
    68,088,806.46x = 145,643,905.72 × 145,643,905.72
  4. Step 4: Simplify right side
    68,088,806.46x = 21,212,147,274,151,076
  5. Step 5: Solve for x
    x = 21,212,147,274,151,076/68,088,806.46
  6. Step 6: Final answer
    x = 311,536,482.70

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.