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Finding the Third Proportional to 117,833,509.69 and 256,063,528.13

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Solution

The third proportional to 117,833,509.69 and 256,063,528.13 is: 556,450,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,833,509.69 : 256,063,528.13 = 256,063,528.13 : x
  2. Step 2: Convert to fraction form
    117,833,509.69/256,063,528.13 = 256,063,528.13/x
  3. Step 3: Cross multiply
    117,833,509.69x = 256,063,528.13 × 256,063,528.13
  4. Step 4: Simplify right side
    117,833,509.69x = 65,568,530,435,822,664
  5. Step 5: Solve for x
    x = 65,568,530,435,822,664/117,833,509.69
  6. Step 6: Final answer
    x = 556,450,627.75

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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.