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Finding the Third Proportional to 115,193,988.63 and 251,901,650.04

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Solution

The third proportional to 115,193,988.63 and 251,901,650.04 is: 550,848,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,193,988.63 : 251,901,650.04 = 251,901,650.04 : x
  2. Step 2: Convert to fraction form
    115,193,988.63/251,901,650.04 = 251,901,650.04/x
  3. Step 3: Cross multiply
    115,193,988.63x = 251,901,650.04 × 251,901,650.04
  4. Step 4: Simplify right side
    115,193,988.63x = 63,454,441,292,406,104
  5. Step 5: Solve for x
    x = 63,454,441,292,406,104/115,193,988.63
  6. Step 6: Final answer
    x = 550,848,547.27

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.