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Finding the Third Proportional to 39,161,672 and 84,831,960

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Solution

The third proportional to 39,161,672 and 84,831,960 is: 183,762,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161,672 : 84,831,960 = 84,831,960 : x
  2. Step 2: Convert to fraction form
    39,161,672/84,831,960 = 84,831,960/x
  3. Step 3: Cross multiply
    39,161,672x = 84,831,960 × 84,831,960
  4. Step 4: Simplify right side
    39,161,672x = 7,196,461,437,441,600
  5. Step 5: Solve for x
    x = 7,196,461,437,441,600/39,161,672
  6. Step 6: Final answer
    x = 183,762,875.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.