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Finding the Third Proportional to 4,407,938,784 and 9,590,687,280

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Solution

The third proportional to 4,407,938,784 and 9,590,687,280 is: 20,867,186,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407,938,784 : 9,590,687,280 = 9,590,687,280 : x
  2. Step 2: Convert to fraction form
    4,407,938,784/9,590,687,280 = 9,590,687,280/x
  3. Step 3: Cross multiply
    4,407,938,784x = 9,590,687,280 × 9,590,687,280
  4. Step 4: Simplify right side
    4,407,938,784x = 91,981,282,502,753,796,096
  5. Step 5: Solve for x
    x = 91,981,282,502,753,796,096/4,407,938,784
  6. Step 6: Final answer
    x = 20,867,186,912.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.