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Finding the Third Proportional to 86,453,320 and 186,710,285

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Solution

The third proportional to 86,453,320 and 186,710,285 is: 403,231,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,453,320 : 186,710,285 = 186,710,285 : x
  2. Step 2: Convert to fraction form
    86,453,320/186,710,285 = 186,710,285/x
  3. Step 3: Cross multiply
    86,453,320x = 186,710,285 × 186,710,285
  4. Step 4: Simplify right side
    86,453,320x = 34,860,730,524,781,224
  5. Step 5: Solve for x
    x = 34,860,730,524,781,224/86,453,320
  6. Step 6: Final answer
    x = 403,231,831.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.