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Finding the Third Proportional to 39,411,880 and 84,649,522

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Solution

The third proportional to 39,411,880 and 84,649,522 is: 181,811,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411,880 : 84,649,522 = 84,649,522 : x
  2. Step 2: Convert to fraction form
    39,411,880/84,649,522 = 84,649,522/x
  3. Step 3: Cross multiply
    39,411,880x = 84,649,522 × 84,649,522
  4. Step 4: Simplify right side
    39,411,880x = 7,165,541,574,828,484
  5. Step 5: Solve for x
    x = 7,165,541,574,828,484/39,411,880
  6. Step 6: Final answer
    x = 181,811,717.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.