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Finding the Third Proportional to 8,878,194.84 and 19,078,066.69

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Solution

The third proportional to 8,878,194.84 and 19,078,066.69 is: 40,996,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,194.84 : 19,078,066.69 = 19,078,066.69 : x
  2. Step 2: Convert to fraction form
    8,878,194.84/19,078,066.69 = 19,078,066.69/x
  3. Step 3: Cross multiply
    8,878,194.84x = 19,078,066.69 × 19,078,066.69
  4. Step 4: Simplify right side
    8,878,194.84x = 363,972,628,532,697.25
  5. Step 5: Solve for x
    x = 363,972,628,532,697.25/8,878,194.84
  6. Step 6: Final answer
    x = 40,996,242.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.