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Finding the Third Proportional to 124,179,672 and 261,229,056

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Solution

The third proportional to 124,179,672 and 261,229,056 is: 549,531,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,179,672 : 261,229,056 = 261,229,056 : x
  2. Step 2: Convert to fraction form
    124,179,672/261,229,056 = 261,229,056/x
  3. Step 3: Cross multiply
    124,179,672x = 261,229,056 × 261,229,056
  4. Step 4: Simplify right side
    124,179,672x = 68,240,619,698,651,136
  5. Step 5: Solve for x
    x = 68,240,619,698,651,136/124,179,672
  6. Step 6: Final answer
    x = 549,531,325.05

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.