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Finding the Third Proportional to 143,247,642 and 306,916,332

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Solution

The third proportional to 143,247,642 and 306,916,332 is: 657,585,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,247,642 : 306,916,332 = 306,916,332 : x
  2. Step 2: Convert to fraction form
    143,247,642/306,916,332 = 306,916,332/x
  3. Step 3: Cross multiply
    143,247,642x = 306,916,332 × 306,916,332
  4. Step 4: Simplify right side
    143,247,642x = 94,197,634,848,334,224
  5. Step 5: Solve for x
    x = 94,197,634,848,334,224/143,247,642
  6. Step 6: Final answer
    x = 657,585,936.73

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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.