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Finding the Third Proportional to 403,792,327.50 and 876,498,988.50

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Solution

The third proportional to 403,792,327.50 and 876,498,988.50 is: 1,902,588,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,792,327.50 : 876,498,988.50 = 876,498,988.50 : x
  2. Step 2: Convert to fraction form
    403,792,327.50/876,498,988.50 = 876,498,988.50/x
  3. Step 3: Cross multiply
    403,792,327.50x = 876,498,988.50 × 876,498,988.50
  4. Step 4: Simplify right side
    403,792,327.50x = 768,250,476,841,523,072
  5. Step 5: Solve for x
    x = 768,250,476,841,523,072/403,792,327.50
  6. Step 6: Final answer
    x = 1,902,588,099.18

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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.