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Finding the Third Proportional to 719,687,530 and 1,105,720,348

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Solution

The third proportional to 719,687,530 and 1,105,720,348 is: 1,698,817,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,687,530 : 1,105,720,348 = 1,105,720,348 : x
  2. Step 2: Convert to fraction form
    719,687,530/1,105,720,348 = 1,105,720,348/x
  3. Step 3: Cross multiply
    719,687,530x = 1,105,720,348 × 1,105,720,348
  4. Step 4: Simplify right side
    719,687,530x = 1,222,617,487,981,241,088
  5. Step 5: Solve for x
    x = 1,222,617,487,981,241,088/719,687,530
  6. Step 6: Final answer
    x = 1,698,817,107.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.