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Finding the Third Proportional to 53,310,186 and 81,905,208

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Solution

The third proportional to 53,310,186 and 81,905,208 is: 125,838,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310,186 : 81,905,208 = 81,905,208 : x
  2. Step 2: Convert to fraction form
    53,310,186/81,905,208 = 81,905,208/x
  3. Step 3: Cross multiply
    53,310,186x = 81,905,208 × 81,905,208
  4. Step 4: Simplify right side
    53,310,186x = 6,708,463,097,523,264
  5. Step 5: Solve for x
    x = 6,708,463,097,523,264/53,310,186
  6. Step 6: Final answer
    x = 125,838,298.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.