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Finding the Third Proportional to 616,638,197.25 and 907,924,939.88

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Solution

The third proportional to 616,638,197.25 and 907,924,939.88 is: 1,336,809,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,638,197.25 : 907,924,939.88 = 907,924,939.88 : x
  2. Step 2: Convert to fraction form
    616,638,197.25/907,924,939.88 = 907,924,939.88/x
  3. Step 3: Cross multiply
    616,638,197.25x = 907,924,939.88 × 907,924,939.88
  4. Step 4: Simplify right side
    616,638,197.25x = 824,327,696,447,022,336
  5. Step 5: Solve for x
    x = 824,327,696,447,022,336/616,638,197.25
  6. Step 6: Final answer
    x = 1,336,809,331.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.