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Finding the Third Proportional to 25,518,553 and 55,997,221

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Solution

The third proportional to 25,518,553 and 55,997,221 is: 122,878,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518,553 : 55,997,221 = 55,997,221 : x
  2. Step 2: Convert to fraction form
    25,518,553/55,997,221 = 55,997,221/x
  3. Step 3: Cross multiply
    25,518,553x = 55,997,221 × 55,997,221
  4. Step 4: Simplify right side
    25,518,553x = 3,135,688,759,722,841
  5. Step 5: Solve for x
    x = 3,135,688,759,722,841/25,518,553
  6. Step 6: Final answer
    x = 122,878,783.91

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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.