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Finding the Third Proportional to 239,382,985.50 and 516,959,718.75

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Solution

The third proportional to 239,382,985.50 and 516,959,718.75 is: 1,116,400,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,382,985.50 : 516,959,718.75 = 516,959,718.75 : x
  2. Step 2: Convert to fraction form
    239,382,985.50/516,959,718.75 = 516,959,718.75/x
  3. Step 3: Cross multiply
    239,382,985.50x = 516,959,718.75 × 516,959,718.75
  4. Step 4: Simplify right side
    239,382,985.50x = 267,247,350,810,079,104
  5. Step 5: Solve for x
    x = 267,247,350,810,079,104/239,382,985.50
  6. Step 6: Final answer
    x = 1,116,400,776.15

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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.