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Finding the Third Proportional to 59,291,346.94 and 128,479,552.31

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Solution

The third proportional to 59,291,346.94 and 128,479,552.31 is: 278,404,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,291,346.94 : 128,479,552.31 = 128,479,552.31 : x
  2. Step 2: Convert to fraction form
    59,291,346.94/128,479,552.31 = 128,479,552.31/x
  3. Step 3: Cross multiply
    59,291,346.94x = 128,479,552.31 × 128,479,552.31
  4. Step 4: Simplify right side
    59,291,346.94x = 16,506,995,362,420,424
  5. Step 5: Solve for x
    x = 16,506,995,362,420,424/59,291,346.94
  6. Step 6: Final answer
    x = 278,404,796.23

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.