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Finding the Third Proportional to 127,531,108 and 266,384,312

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Solution

The third proportional to 127,531,108 and 266,384,312 is: 556,417,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,531,108 : 266,384,312 = 266,384,312 : x
  2. Step 2: Convert to fraction form
    127,531,108/266,384,312 = 266,384,312/x
  3. Step 3: Cross multiply
    127,531,108x = 266,384,312 × 266,384,312
  4. Step 4: Simplify right side
    127,531,108x = 70,960,601,679,713,344
  5. Step 5: Solve for x
    x = 70,960,601,679,713,344/127,531,108
  6. Step 6: Final answer
    x = 556,417,981.41

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.