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Finding the Third Proportional to 143,247,641 and 306,916,330

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Solution

The third proportional to 143,247,641 and 306,916,330 is: 657,585,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,247,641 : 306,916,330 = 306,916,330 : x
  2. Step 2: Convert to fraction form
    143,247,641/306,916,330 = 306,916,330/x
  3. Step 3: Cross multiply
    143,247,641x = 306,916,330 × 306,916,330
  4. Step 4: Simplify right side
    143,247,641x = 94,197,633,620,668,896
  5. Step 5: Solve for x
    x = 94,197,633,620,668,896/143,247,641
  6. Step 6: Final answer
    x = 657,585,932.75

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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.