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Finding the Third Proportional to 86,602,928 and 186,269,536

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Solution

The third proportional to 86,602,928 and 186,269,536 is: 400,637,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,602,928 : 186,269,536 = 186,269,536 : x
  2. Step 2: Convert to fraction form
    86,602,928/186,269,536 = 186,269,536/x
  3. Step 3: Cross multiply
    86,602,928x = 186,269,536 × 186,269,536
  4. Step 4: Simplify right side
    86,602,928x = 34,696,340,041,655,296
  5. Step 5: Solve for x
    x = 34,696,340,041,655,296/86,602,928
  6. Step 6: Final answer
    x = 400,637,032.06

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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.