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Finding the Third Proportional to 115,400,752 and 243,678,560

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Solution

The third proportional to 115,400,752 and 243,678,560 is: 514,548,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,400,752 : 243,678,560 = 243,678,560 : x
  2. Step 2: Convert to fraction form
    115,400,752/243,678,560 = 243,678,560/x
  3. Step 3: Cross multiply
    115,400,752x = 243,678,560 × 243,678,560
  4. Step 4: Simplify right side
    115,400,752x = 59,379,240,603,673,600
  5. Step 5: Solve for x
    x = 59,379,240,603,673,600/115,400,752
  6. Step 6: Final answer
    x = 514,548,125.33

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.