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Finding the Third Proportional to 39,316,224 and 81,771,392

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Solution

The third proportional to 39,316,224 and 81,771,392 is: 170,071,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,316,224 : 81,771,392 = 81,771,392 : x
  2. Step 2: Convert to fraction form
    39,316,224/81,771,392 = 81,771,392/x
  3. Step 3: Cross multiply
    39,316,224x = 81,771,392 × 81,771,392
  4. Step 4: Simplify right side
    39,316,224x = 6,686,560,549,617,664
  5. Step 5: Solve for x
    x = 6,686,560,549,617,664/39,316,224
  6. Step 6: Final answer
    x = 170,071,280.23

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.