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Finding the Third Proportional to 388,983,279 and 849,052,338

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Solution

The third proportional to 388,983,279 and 849,052,338 is: 1,853,266,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,983,279 : 849,052,338 = 849,052,338 : x
  2. Step 2: Convert to fraction form
    388,983,279/849,052,338 = 849,052,338/x
  3. Step 3: Cross multiply
    388,983,279x = 849,052,338 × 849,052,338
  4. Step 4: Simplify right side
    388,983,279x = 720,889,872,663,266,304
  5. Step 5: Solve for x
    x = 720,889,872,663,266,304/388,983,279
  6. Step 6: Final answer
    x = 1,853,266,995.22

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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.