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Finding the Third Proportional to 388,983,276 and 849,052,332

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Solution

The third proportional to 388,983,276 and 849,052,332 is: 1,853,266,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,983,276 : 849,052,332 = 849,052,332 : x
  2. Step 2: Convert to fraction form
    388,983,276/849,052,332 = 849,052,332/x
  3. Step 3: Cross multiply
    388,983,276x = 849,052,332 × 849,052,332
  4. Step 4: Simplify right side
    388,983,276x = 720,889,862,474,638,208
  5. Step 5: Solve for x
    x = 720,889,862,474,638,208/388,983,276
  6. Step 6: Final answer
    x = 1,853,266,983.32

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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.