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Finding the Third Proportional to 127,358,665 and 272,880,447

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Solution

The third proportional to 127,358,665 and 272,880,447 is: 584,677,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,358,665 : 272,880,447 = 272,880,447 : x
  2. Step 2: Convert to fraction form
    127,358,665/272,880,447 = 272,880,447/x
  3. Step 3: Cross multiply
    127,358,665x = 272,880,447 × 272,880,447
  4. Step 4: Simplify right side
    127,358,665x = 74,463,738,354,919,808
  5. Step 5: Solve for x
    x = 74,463,738,354,919,808/127,358,665
  6. Step 6: Final answer
    x = 584,677,441.11

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.