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Finding the Third Proportional to 143,041,698 and 215,610,666

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Solution

The third proportional to 143,041,698 and 215,610,666 is: 324,995,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,041,698 : 215,610,666 = 215,610,666 : x
  2. Step 2: Convert to fraction form
    143,041,698/215,610,666 = 215,610,666/x
  3. Step 3: Cross multiply
    143,041,698x = 215,610,666 × 215,610,666
  4. Step 4: Simplify right side
    143,041,698x = 46,487,959,292,963,552
  5. Step 5: Solve for x
    x = 46,487,959,292,963,552/143,041,698
  6. Step 6: Final answer
    x = 324,995,857.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.