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Finding the Third Proportional to 7,076,902 and 15,478,511

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Solution

The third proportional to 7,076,902 and 15,478,511 is: 33,854,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076,902 : 15,478,511 = 15,478,511 : x
  2. Step 2: Convert to fraction form
    7,076,902/15,478,511 = 15,478,511/x
  3. Step 3: Cross multiply
    7,076,902x = 15,478,511 × 15,478,511
  4. Step 4: Simplify right side
    7,076,902x = 239,584,302,777,121
  5. Step 5: Solve for x
    x = 239,584,302,777,121/7,076,902
  6. Step 6: Final answer
    x = 33,854,404.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.