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Finding the Third Proportional to 200,623,330 and 282,521,858

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Solution

The third proportional to 200,623,330 and 282,521,858 is: 397,853,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,623,330 : 282,521,858 = 282,521,858 : x
  2. Step 2: Convert to fraction form
    200,623,330/282,521,858 = 282,521,858/x
  3. Step 3: Cross multiply
    200,623,330x = 282,521,858 × 282,521,858
  4. Step 4: Simplify right side
    200,623,330x = 79,818,600,247,772,160
  5. Step 5: Solve for x
    x = 79,818,600,247,772,160/200,623,330
  6. Step 6: Final answer
    x = 397,853,032.58

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.