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Finding the Third Proportional to 151,420,959.56 and 329,413,969.13

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Solution

The third proportional to 151,420,959.56 and 329,413,969.13 is: 716,635,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,420,959.56 : 329,413,969.13 = 329,413,969.13 : x
  2. Step 2: Convert to fraction form
    151,420,959.56/329,413,969.13 = 329,413,969.13/x
  3. Step 3: Cross multiply
    151,420,959.56x = 329,413,969.13 × 329,413,969.13
  4. Step 4: Simplify right side
    151,420,959.56x = 108,513,563,054,686,448
  5. Step 5: Solve for x
    x = 108,513,563,054,686,448/151,420,959.56
  6. Step 6: Final answer
    x = 716,635,024.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.