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Finding the Third Proportional to 143,030,048 and 308,721,788

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Solution

The third proportional to 143,030,048 and 308,721,788 is: 666,357,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,030,048 : 308,721,788 = 308,721,788 : x
  2. Step 2: Convert to fraction form
    143,030,048/308,721,788 = 308,721,788/x
  3. Step 3: Cross multiply
    143,030,048x = 308,721,788 × 308,721,788
  4. Step 4: Simplify right side
    143,030,048x = 95,309,142,385,916,944
  5. Step 5: Solve for x
    x = 95,309,142,385,916,944/143,030,048
  6. Step 6: Final answer
    x = 666,357,480.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.